Embalming Chemistry

148 Questions  I  By Tlwadsworth
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  • 1. 
    1 atmostphere (or 760 torr) is equal to the atmospheric pressure....
    • A. 

      At sea level

    • B. 

      Anywhere on the earth's surface

    • C. 

      In Oklahoma


  • 2. 
    The freezing point (temperature) of a substance is the same as its melting point (temperature)
    • A. 

      True

    • B. 

      False


  • 3. 
    The study of compounds produced by living organisms
    • A. 

      Biochemistry

    • B. 

      Embalming chemistry

    • C. 

      Inorganic chemistry


  • 4. 
    Tearing of paper and melting of butter are examples of....
    • A. 

      Chemical change

    • B. 

      Physical change

    • C. 

      Physical properties


  • 5. 
    The temperature at which a substance changes from the liquid state to the gaseous state describes...
    • A. 

      A chemical change

    • B. 

      A chemical property

    • C. 

      A physical property


  • 6. 
    Which of the following are examples of chemical changes?1. Rusting of iron2. Combustion3. Decompostion4.Hydrolysis
    • A. 

      2 & 3

    • B. 

      3 &4

    • C. 

      1,2,3 & 4


  • 7. 
    A fmiliar manifestation of energy is heat.
    • A. 

      True

    • B. 

      False


  • 8. 
    The bonds formed by the sharing of electrons between two atoms.
    • A. 

      Ionic

    • B. 

      Valence

    • C. 

      Covalent


  • 9. 
    Isotopes of the same element differ in their number of...
    • A. 

      Nuetrons

    • B. 

      Nuclei

    • C. 

      Protons


  • 10. 
    Which of the following is an abbreviation for chemical change?
    • A. 

      Formula

    • B. 

      Equation

    • C. 

      Symbol


  • 11. 
    The temperature at a given pressure at which a substance changes from the solid state to the liquid state describes...
    • A. 

      A chemical change

    • B. 

      A chemical property

    • C. 

      A physical property


  • 12. 
    Which is true regarding the Kinetic Theory of Gas?
    • A. 

      Gas molecules slide past one another.

    • B. 

      Gas molecules do not move.

    • C. 

      When gas molecules collide, no loss of energy occurs.


  • 13. 
    CH2O1. a compound2. a pure substabce3. a mixture4. an element5. matter
    • A. 

      1,3, & 5

    • B. 

      1 &2

    • C. 

      1,2, & 5


  • 14. 
    100 ml. of a gas at 300 degrees absolute would occupy 50 ml at 150 degrees absolute. This example illustrates____________.
    • A. 

      Law of Definite Proportion

    • B. 

      Boyles Law

    • C. 

      Charles Law


  • 15. 
    The setting of plaster of Paris is____________.
    • A. 

      Physical change

    • B. 

      Endothermic change

    • C. 

      Exothermic change


  • 16. 
    What is true regarding the Kinetic Theory of Gas?
    • A. 

      Gas molecules attract each other

    • B. 

      Gas molecules are very small in comparison to the average distance between them

    • C. 

      Gases can not be compressed.


  • 17. 
    Select the correct definition of "calorie"
    • A. 

      The quantity of hear necessary to raise the temperature of one gram of water one degree Celsius at fifteen degrees Celsius.

    • B. 

      The quantity of heat necessary to raise the temperature of one milliter of water one degree Celsisus at fifteeen degrees Celsius

    • C. 

      The quantity of hear necessary to raise the temperature of gram of water one degree Farenheit at fifteen degrees Fahrenheit.


  • 18. 
    Oil and water mixed together make....
    • A. 

      A compound

    • B. 

      A homogenous mixture

    • C. 

      A heterogeneous mixture


  • 19. 
    It is consistent to sya that one milliter equals one cubic centimeter
    • A. 

      True

    • B. 

      False


  • 20. 
    The decomposition of liquid water into hydrogen gas and oxygen gas when an electric current passes through it.
    • A. 

      Physical property

    • B. 

      Chemical property

    • C. 

      Chemical change


  • 21. 
    Color, odor, and tast are examples of....
    • A. 

      Chemical change

    • B. 

      Physical properties

    • C. 

      Physical change


  • 22. 
    Which temperature scale is used in gas law calculations?
    • A. 

      Kelvin (absolute zero)

    • B. 

      Centigrade

    • C. 

      Fahrenheit


  • 23. 
    In rationalizing the structure of a molecule, atoms try to become "happy" by attaining the electronic configuration of a ________
    • A. 

      Halogen

    • B. 

      Noble gas

    • C. 

      Hydrogen atom


  • 24. 
    Deuterium is an isotope of.........
    • A. 

      Oxygen

    • B. 

      Hydrogen

    • C. 

      Carbon


  • 25. 
    A positive ion.
    • A. 

      Cation

    • B. 

      Cathode

    • C. 

      Anion


  • 26. 
    What is Co?
    • A. 

      Carbon monoxide

    • B. 

      Carbon dioxide

    • C. 

      Cobalt


  • 27. 
    Which is true regarding formulas?1.The metallic portion is usuallly written first and the non-metallic portion is usually written last.2. Metallic elements have positive oxidation numbers.3. A sumbol represents one atom of an element.4. The subscript represents the oxidation number
    • A. 

      2 & 3

    • B. 

      2, 3, & 4

    • C. 

      1, 2, &3


  • 28. 
    A group of atoms that behave as if it were a single atom. The groups has its own charge and is called....
    • A. 

      Diatomic element

    • B. 

      Polyatomic ion

    • C. 

      Element


  • 29. 
    All atoms with the exception of hydrogen contain nuetrons
    • A. 

      True

    • B. 

      False


  • 30. 
    Which of the following is characterized as one atomic mass unit?
    • A. 

      The mass of carbon

    • B. 

      1?12 the mass of the carbon atom

    • C. 

      The mass of an electron


  • 31. 
    CaS + H2O --->   CaO +H2S
    • A. 

      Decomposition

    • B. 

      Separation

    • C. 

      Rearrangement


  • 32. 
    In a pure compound, the proportion by weight of the elements present is always the same. This statement describes.....
    • A. 

      Charles Law

    • B. 

      The Law of Definite Proportion

    • C. 

      The Law of Conservation of Energy


  • 33. 
    If an atom lose an electron, it becomes an ______ with a _________charge.
    • A. 

      Isotope; negative

    • B. 

      Ion; negative

    • C. 

      Ion; positive


  • 34. 
    They typre of bond that results from the transfer of electrons from one atom to another.
    • A. 

      Hydrogen

    • B. 

      Covalent

    • C. 

      Ionic


  • 35. 
    2NaCl may be considered......1. two molecules2. one molecule3. one type of compound4. an element
    • A. 

      2 only

    • B. 

      1 only

    • C. 

      1 & 3


  • 36. 
    The atomic number is defined as ......
    • A. 

      The number of protons in the nucleus

    • B. 

      The number of protons and nuetrons in the nucleus

    • C. 

      The number of protons or electrons


  • 37. 
    Two oxygen atoms combine to form molecular oxygen (O2). Which of the following bonds is responsible to holding the two atoms together?
    • A. 

      Ionic

    • B. 

      Electronegative

    • C. 

      Covalent


  • 38. 
    Any elements with the atomic number 58 through 71 and 90 through 103.
    • A. 

      Representative elements

    • B. 

      Rare earth elements

    • C. 

      Noble gasses


  • 39. 
    Gases such as oxygen, carbon dioxide, ammonia, and chlorine can not be removed by distillation.
    • A. 

      True

    • B. 

      False


  • 40. 
    CaCl2 + Na2CO3 ---> CaCO3 + 2NaCl. This reation illustrates...
    • A. 

      Hydrolysis

    • B. 

      Water reacting

    • C. 

      Removal of water hardness by adding washing soda


  • 41. 
    The attractive forces between the hydrogen on water molecule and an oxygen on another water molecule
    • A. 

      Ionic bond

    • B. 

      Covalent bond

    • C. 

      Hydrogen bond


  • 42. 
    Which of the following is true regarding colloid?1. The particles can pass through filters and membrane openings.22. The particles show Brownian motion.3. The particles do settle out of solution.4. The particles are invisible.
    • A. 

      2 only

    • B. 

      4 only

    • C. 

      1, 2, & 4


  • 43. 
    A red blood cell placed in a hypertonic solution will undergo...
    • A. 

      Crenation (shrinking)

    • B. 

      Crenatin (bursting)

    • C. 

      Hemolysis (shrinking)


  • 44. 
    Assume we are comparing the concentarion of 2 solutions. The 1 st contains 37 grams of formaldehyde in 100 cc of water. The 2nd solution contains 35 grams of formaldehyde in 100 cc of water. (The solubility of formaldehyde in 100 cc of water is 37 grams. ) in comparison, the solution containing 37 grams of formaldehyde in 100 cc of water is...
    • A. 

      Concentrared and unsaturated

    • B. 

      Dilute and saturated

    • C. 

      Concentrated and saturated


  • 45. 
    Activated charcoal (very finely ground preparationf of carbon) is used in________.
    • A. 

      Aeration

    • B. 

      Adsorption

    • C. 

      Distillation


  • 46. 
    "a force that causes a surface of liquid to contract"...
    • A. 

      Covalent bonding

    • B. 

      Surface tension

    • C. 

      Viscosity


  • 47. 
    CaO + HOH ----> Ca(OH) 2This reaction illustrates which of the following?
    • A. 

      Water enters into hydrolysis

    • B. 

      Water forms hydrates

    • C. 

      Water reacts with some metallic oxides to form bases


  • 48. 
    Which of the following is true regarding the chemical properties of water?1. Water reacts with non-metals to liberate hydrogen2. Water is a very stable substance3. Water reacts with some metallic oxdes to form acids4. Water forms hydrates5. Water reacts with some non-mettalic oxeds to form salts
    • A. 

      1, 2, & 4

    • B. 

      2, 4, & 5

    • C. 

      2 & 4


  • 49. 
    A tincture contains____ as a solvent
    • A. 

      Gas

    • B. 

      Alchohol

    • C. 

      Water


  • 50. 
    If a red blood cell is placed in a 5 percent salt water solution, we would say the solution of the red blood cell is _____ when compared to that of the salt water solution. ( a red blood cell is isotonic physiologic saline at 0.9 percent NaCl.)
    • A. 

      Hypertonic

    • B. 

      Isotonic

    • C. 

      Hypotonic


  • 51. 
    Which of the following has a particle size more than 100 nm?
    • A. 

      True solutions

    • B. 

      Colloids

    • C. 

      Suspensions


  • 52. 
    The separation of substances in solution by the differences in their rates of diffusion through a semipermeable membrane
    • A. 

      Diffusion

    • B. 

      Osmosis

    • C. 

      Dialysis


  • 53. 
    Which of the following is true regarding water?
    • A. 

      Water vapor is more dense than liquid water

    • B. 

      Liquid water is less dense than ise

    • C. 

      Ice is less dense than liquid water


  • 54. 
    Which is true regarding surface tension and embalming?1. It occurs at intergaces of solutions and cell membranes.2. It occurs at the surfaces of liquids3. It enhances the diffusion of embalming chemicals from capillaries into the tissues4. Surface tension reducing agents are usually incorporated into embalming fluids.
    • A. 

      2, 3, & 4

    • B. 

      1 & 4

    • C. 

      1, 2, & 4


  • 55. 
    If a red blood cell is places in pure water we would say the solution of the red blood cell is ________when compared to that of pure water. ( re bllod cell is isotonic to physiologic saline at 0.9 percent NaCl.)
    • A. 

      Isotonic

    • B. 

      Hypertonic

    • C. 

      Semipermeable


  • 56. 
    To attain uniform concentration throughout a solution, particles move from regions of higher concentration to lower concentration. This describes..
    • A. 

      Osmosis

    • B. 

      Diffusion

    • C. 

      Dilution


  • 57. 
    Assume that the solubility of table sale (NaCl) is 35 grams per 100cc water. A solution containing 100 cc water and 35 grams NaCl is considered....
    • A. 

      Dilute

    • B. 

      Supersaturated

    • C. 

      Saturated


  • 58. 
    Milk of magnesia, milk of lime, clay & water examples of ....
    • A. 

      Suspensions

    • B. 

      Osmosis

    • C. 

      True solutions


  • 59. 
    What is the maximum amount of calcium desired in water that is used as a solvent for embalming fluid?
    • A. 

      35 parts per million

    • B. 

      43 parts per million

    • C. 

      100 parts per million


  • 60. 
    Which of the following hard water treatment methods results in the formation of "curd"?
    • A. 

      Use of ion exchange

    • B. 

      Boiling water to remove temporary hardness

    • C. 

      Use of soap to remove hardness


  • 61. 
    In the use of an ion-exchange system to remove water hardness, which ion is used in exchange for calcium?
    • A. 

      Magnesium

    • B. 

      Sodium

    • C. 

      Hydrogen


  • 62. 
    When a body with normal moisture content is embalmned, the injected embalming solution should be _____ to the contents of the tissues
    • A. 

      Slighter hypotonic

    • B. 

      Hypotonic

    • C. 

      Hypertonic


  • 63. 
    The Brownian Movement is a characteristic of .....
    • A. 

      Suspensions

    • B. 

      Alloys

    • C. 

      Colloids


  • 64. 
    Which of the following have a particle size less than 1 nm?
    • A. 

      Inert gases

    • B. 

      Suspensions

    • C. 

      True solutions


  • 65. 
    Which of the following is true?1. Hydrogen is the most abundnt element on earth.2. WATER IS THE MOST ABUNDANT COMPOUND3. The human body consists of about 85 percent of water4.The molecular mass of water is 18 amu
    • A. 

      2 & 4

    • B. 

      2,3, & 4

    • C. 

      2 only


  • 66. 
    Which of the lowwing is the most efficient method of purifying water ( not necessarily cost effective, though).
    • A. 

      Distillation

    • B. 

      Chlorination

    • C. 

      Aeration


  • 67. 
    Brass, bronze, stainless steel are...
    • A. 

      Aqueous solutions

    • B. 

      Solid solutions

    • C. 

      Gas solutions


  • 68. 
    What is true regarding solutions?1. Gas mixutes are solutions2. Componenets of a sultions can only be compounds not elements3. Air is a solution4. Water or alcohol can serve as solvents.
    • A. 

      1, 3, & 4

    • B. 

      4 only

    • C. 

      1,2, 3, & 4


  • 69. 
    Temperature affects solubility.
    • A. 

      True

    • B. 

      False


  • 70. 
    The use of hard water as a diluents for embalming fluid causes which of the following embalming problems?
    • A. 

      Breaks down preservatives in embalming fluids

    • B. 

      Favors bllod coagulation

    • C. 

      Breaks surface tension of the fluids


  • 71. 
    A red blood cell placed in a physiologic saline solution will undergo.......
    • A. 

      Crenation

    • B. 

      No change

    • C. 

      Hemolysis


  • 72. 
    A common concentration for the disinfectant HgCl2 is 1:1000. This is an expression of.....
    • A. 

      Index

    • B. 

      Ratio

    • C. 

      Molarity


  • 73. 
    Which would be true when a non-volitle substance as a solute is placed in water ( as a solv ent)?
    • A. 

      The solution boils at a higher temperature

    • B. 

      The solution freezes at a higher temperature

    • C. 

      The solution boils at a lower temperature


  • 74. 
    Which is true regarding oxygen?1. It is slightly electronegative2. It makes up 21 percent of the volume of atmospheric air3.It makes up 89 percent of the mass of water4. It has two valence electrons5. It usually has an oxidation number of negatve two (-2)
    • A. 

      1, 2, 3

    • B. 

      3, 4, 5

    • C. 

      2, 3, 5


  • 75. 
    Oxygen reacts slowly at high temperatures
    • A. 

      True

    • B. 

      False


  • 76. 
    Oxygen acts a reducing agent but does support combustion.
    • A. 

      True

    • B. 

      False


  • 77. 
    Hydrogen supports combustion
    • A. 

      True

    • B. 

      False


  • 78. 
    In a chemical reaction oxidation and reduction do not occur at the same time. First oxidation occurs, then reduction follows.
    • A. 

      True

    • B. 

      False


  • 79. 
    Which of the floowgin will affect reactino rates?1. Presence of a catalyst2. An increase of decrease in temperature3. The concentration of reactacnts4. Particle Size5. prescene of light
    • A. 

      1, 2, 4, 5

    • B. 

      1, 2, 3, 4, 5

    • C. 

      1, 2, 3


  • 80. 
     Oxygen is insoluble in water
    • A. 

      True

    • B. 

      False


  • 81. 
    Which of the following is true?
    • A. 

      There is very little free hydrogen in the atmosphere.

    • B. 

      Very litttle hydrogen occurs in the combine state

    • C. 

      Hydrogen is the most abundant element on earth


  • 82. 
    The most abundant compund on earth.
    • A. 

      Water

    • B. 

      Hydrogen

    • C. 

      Oxygen


  • 83. 
    The oxidation number of oxygen is...
    • A. 

      0

    • B. 

      -2

    • C. 

      -1


  • 84. 
    Loss of electrons is ___Gain of electrons is _____
    • A. 

      Reduction;oxidation

    • B. 

      Anion;canion

    • C. 

      Oxidation;reduction


  • 85. 
    Which is ture regarding halogens?1. They are known as "salt formers"2. They are found in group 6A of the periodic table of elements3. Examples include Cl, F, Br, and I4, They are found in disinfectnts and bleaching agents.
    • A. 

      1, 3, 4

    • B. 

      1, 4

    • C. 

      1, 2, 3


  • 86. 
    Gases in embalming fluids are....
    • A. 

      Heavier than air

    • B. 

      Insoluble

    • C. 

      Lighter than air


  • 87. 
    2H2O ----> 2H2 + O2 This is an equation for...
    • A. 

      Displacement of water

    • B. 

      Electrolysis of water

    • C. 

      Displacement from a base


  • 88. 
    Oxygen is lighter than air.
    • A. 

      True

    • B. 

      False


  • 89. 
    Oxygen is highly electronegative
    • A. 

      True

    • B. 

      False


  • 90. 
    2KClO3 + MnO2 ---> 2KCl + 2O2 + MnO2 This reaction is an example of...
    • A. 

      The laboratory method of oxygen preparation

    • B. 

      The commercial method of oxygen preparation

    • C. 

      The classical method of oxygen preparation


  • 91. 
    According to the text, which of the following is the commercial method of preparatino of oxygen?
    • A. 

      Evaporation of liquid air

    • B. 

      Heating mercuric oxide

    • C. 

      Electrolysis of air


  • 92. 
    Which is true regarding ozone?1. It has bleaching qualities2. IT has deordorizing qualitites3. It has low oxidizing ability4. It has been used in treating both drinking water and wastewater5. It serves as a masking agent..covering up odors
    • A. 

      1, 2, 3, 4,

    • B. 

      1, 2, 5

    • C. 

      1, 2, 4


  • 93. 
    Which of the following is the commercial method used to prepare hydrogen?
    • A. 

      Displacement from acids

    • B. 

      Electrolysis of water

    • C. 

      Displacement from bases


  • 94. 
    If an embalmed jaundices remains is exposed to ordinary flurorescent light, the remains will turn bright green within a metter of a few hours. According to the text, this statement is _____.
    • A. 

      False

    • B. 

      Unreliable

    • C. 

      True


  • 95. 
    The following reaction illustrates how hydrogen is _____Zn + H2SO4 ---> H2 + ZnSO4
    • A. 

      Displaced from a base

    • B. 

      Displaced from an acid

    • C. 

      Formed by displacement from water


  • 96. 
    Zn + 2NaOH ----> H2 + Na2 ZnO2This is an equation for...
    • A. 

      Displacement from a base

    • B. 

      Displacement from an acid

    • C. 

      Displacement from water


  • 97. 
    Which of the following may be an effect caused by the reaction of free radicals in the nucleus of the cell?1. Death of the cell2.Formation of a malignant carcinoma3. Edema4. Transmission of a genetic mutation
    • A. 

      1, 2, 4

    • B. 

      1, 2

    • C. 

      1, 2, 3, 4


  • 98. 
    Which of the following is true regarding the cremation of dead human remains harboring harmful radioisotopes?1.Persons who mayhbe exposed to radioactive material by the cremation process are those living in the vicinty of a crematory who could be expsed to radioactive material emitted with the stack gases.2. If a body is to be cremated without embalming, there will be no radiation hazard fro external handling.3.Persons who may be exposed to radioactive material by the cremation process are crematory employees who may inhale dust while handling radioactive cremated remains.
    • A. 

      1 only

    • B. 

      1 & 2

    • C. 

      All of the above


  • 99. 
    Which is true regarding alpha particles?1. They can reach internal organcs from outside the body.2. If ingested or inhaled, alpha emitters will damage cells of internal organs.3. It is possible to stop them by a peice of paper.4. TIhay can penetrate deeply through tissue.
    • A. 

      1, 2

    • B. 

      1, 2, 3

    • C. 

      2, 3


  • 100. 
    In the embalming of unautopsied remains, the embalmer should be most concerned with _______ radiation.
    • A. 

      Beta

    • B. 

      Gamma

    • C. 

      Alpha


  • 101. 
    Which is true regarding gamma rays?1. Frequently, gamma rays are emitted from a nucleus during the process of either alpha or beta decay.2. in air, gamma rays travel no more than several inches.3. Gamma rays can be stopped by a piece of aluminum foil or plastic4. Gamma rays can penetrate the human body and can damage both cells and the tissue of internal organs.
    • A. 

      1, 2, 4

    • B. 

      1, 4

    • C. 

      2, 4


  • 102. 
    Uranium 238 can undergo transmutation to Thorium 234. According to your text, this is brought about by .......
    • A. 

      Beta decay

    • B. 

      Gamma radiation

    • C. 

      Alpha decay


  • 103. 
    Alpha particle are equivalent to the nuclei of helium.
    • A. 

      True

    • B. 

      False


  • 104. 
    When embalming the body harboring harmful radioisotopes, which true regarding the personal hygiene for the embalmer?1. instruments should be soaked in a good soap or detergent, then rinsed well with running water.2. Dispisble waste matter may be collected and disposed of in a garbage container. 3. Gowns, towels, clothing, etc should be monitered and stored for suitable decay before being sent to the laundry4. if the embalmer suffers an introduction of material from the body into lesions, he/she should wash the injured area copiously with running water and thereafter consult with his/her physician or a radiation officer.
    • A. 

      2, 3, 4

    • B. 

      1, 3, 4

    • C. 

      3, 4


  • 105. 
    ______ particles travel only a few centimeters in air. It is possible to stop them by a piece of paper.
    • A. 

      Alpha

    • B. 

      Gamma

    • C. 

      Beta


  • 106. 
    The decay of the flurine atom to produce a stable form of oxygen and a proton is brought about by way of...
    • A. 

      Artificial transmutation

    • B. 

      Natural transmutation

    • C. 

      Uranium


  • 107. 
    The number of radioactive disintegrations occuring per second in a one gram sample of radium.....
    • A. 

      Curie

    • B. 

      Rad

    • C. 

      Roentgen


  • 108. 
    Which is true regarding an understandnig of radiation chmistry?1. Protons in the nucleus attract to one another.2. Electrically neutral nuetrons stabilize the nucleus to prevent repulsion of potons.3.If the proton-to-proton repulsions are not minimized, the nucleus decays into a more stable form.4. Within the nucleus are two types od particles, protons, and electrons
    • A. 

      2 & 3

    • B. 

      3 & 4

    • C. 

      1, 2, 3, & 4


  • 109. 
    Which of the following is good advice for embalming the unautopsied body harboring harmful radioisotopes/1.Use time, distance, and shielding to your advantage2. Wear a fluoroscopic lead-rubber apron. It is effective against gamma radiation.3. In a body contraining phosphorous 32, the embalming should take place in a hospital autospy room under the direction of a radiation protection supervisor.4. If a body containgin iodine 131, the bllod and urine may be disposed of normally because they contain no appreciable radioactive material.
    • A. 

      1 & 3

    • B. 

      1 only

    • C. 

      1, 2, 3, 4


  • 110. 
    Whichi of the following is true regarding the embalming of a body horboring harmful radioisotopes?1. If such a body is embalmed without an autospsy, use standard aspiration and injectino methods.2. If the body's radioactivity is above the level of 30 mCi and there is not to be an autopsy, the body should be embalmed in the hospital morgue under the direction of a radiation protection officer.3. If a body containts appreciably more than 5 mCi of any radioisotope and there is to be an autopsy and emablming following autopsy, it should be done only under the advice of a radiation protection officer.4. If the body is to be interred or cremated without embalming, assume there will be no radiation hazrd from external handling.
    • A. 

      1, 2, 3, 4

    • B. 

      1, 2, 3

    • C. 

      3, 4


  • 111. 
    Alpha particles consist of ___Each alpha particle has a ______charge
    • A. 

      2 protons, 2 nuetrons; double posisitve

    • B. 

      1 proton, 2 nuetrons: double positive

    • C. 

      1 proton, 1 nuetron; double negative


  • 112. 
    Which of the following radioisotopes are used in medical procedures?1. Cobalt 572. uranium 2383. Gold 1984. Stontium 895. Radium 226
    • A. 

      1, 3, 4

    • B. 

      1, 2, 3, 4, 5

    • C. 

      1, 2, 3


  • 113. 
    The most penetrating type of radiation from radioactive atoms is...
    • A. 

      Alpha radiation

    • B. 

      Beta radiation

    • C. 

      Gamma radiation


  • 114. 
    Acids yielding a large number hydrogen ions in soultion are weak acids.
    • A. 

      True

    • B. 

      False


  • 115. 
    Acids that yield a large number of hydrogen atoms in solution are...
    • A. 

      Moderate acids

    • B. 

      Strong acids

    • C. 

      Weak acids


  • 116. 
    Zn + H2SO4 ----> ZnSO4 + H2  This equation illustrates....
    • A. 

      H2SO4 is a base

    • B. 

      SO4 is more active than zinc

    • C. 

      Zinc is more active than hydrogen


  • 117. 
    Which of the following is formed from a cation of a base and an anion of an acid?
    • A. 

      Salt

    • B. 

      Solvent

    • C. 

      Non-electrolyte


  • 118. 
    According the text, " a compound formed between a positive ion other than H+ and a negative ion other than OH-."
    • A. 

      Salt

    • B. 

      Acid

    • C. 

      Hydrate


  • 119. 
    A solution measuring more hydroxide ions than there are hydrogen ions
    • A. 

      Neutral solution

    • B. 

      Basic solution

    • C. 

      Acidic solution


  • 120. 
    2NaHCO3 + H2SO4 ------>   2H2O + 2CO2 + Na2SO4This is a chemical process whereby carbon dioxide, water, and salt are formed. What is NaHCO3?
    • A. 

      Calcium bicarbonate

    • B. 

      Baking soda

    • C. 

      Sodium carbonate


  • 121. 
    Pure water is a non-electrolyte?
    • A. 

      True

    • B. 

      False


  • 122. 
    Protein + Water ---> Amino Acids This decompositon reaction illustrates....
    • A. 

      Hydrolysis

    • B. 

      Synthesis

    • C. 

      Hydrate formation


  • 123. 
    Hydrates that release moisture to air.
    • A. 

      Deliquescence

    • B. 

      Efflorescence

    • C. 

      Hydrolysis


  • 124. 
    Which of the following is true?1. A non-metallic oxide will react with water to form an acid.2. nonmetaalic oxides are basic anyhydrides.3 Metal oxides will react with water to form bases.4. Metallic oxides are known as basic anyhydrides.
    • A. 

      1, 3, 4

    • B. 

      1, 4

    • C. 

      1, 2, 3, 4


  • 125. 
    What is added to embalming to fluid to help balance pH?
    • A. 

      Buffers

    • B. 

      Surfactants

    • C. 

      Hydrates


  • 126. 
    Positively charged atom or group of atoms
    • A. 

      Cathodes

    • B. 

      Cations

    • C. 

      Anodes


  • 127. 
    When an electrolyte is placed in water, which of the following is an outcome?
    • A. 

      There is no effect in boiling point of freezing point.

    • B. 

      The boiling point of the solvent is raised

    • C. 

      The freezing point of the solvent is lowered


  • 128. 
    A substance that donates a pair of electrons
    • A. 

      Lewis base

    • B. 

      Lewis acid

    • C. 

      Bronsted-Lowry acid


  • 129. 
    CuSO4 * 5H2O this is an example of ___
    • A. 

      An acid

    • B. 

      A hydrate

    • C. 

      Hydrolysis


  • 130. 
    A chemical reaction in which a substace is broken down or dissociated by water: a reaction between a salt and water to yield an acid and a base.
    • A. 

      Hydrolysis

    • B. 

      Decomposition

    • C. 

      Neutralization


  • 131. 
    A substance whose water solution will not conduct electricity
    • A. 

      Salt

    • B. 

      Electrolyte

    • C. 

      Non- electrolyte

    • D. 

      Alcohol


  • 132. 
    A substance whose water will conduct electricty
    • A. 

      Hydrolysis

    • B. 

      Non-electrolyte

    • C. 

      Electrolyte


  • 133. 
    Which will yield hydroxide ions in solution?
    • A. 

      Base

    • B. 

      Acid

    • C. 

      Water


  • 134. 
    Arrhenius was not aware of the self-ionization of water
    • A. 

      True

    • B. 

      False


  • 135. 
    The word ____ means "without water"
    • A. 

      Hydrate

    • B. 

      Aqueous

    • C. 

      Anhydride


  • 136. 
    Which of the following will not form ions in water?
    • A. 

      Non-electrolyte

    • B. 

      Salt

    • C. 

      Electrolyte


  • 137. 
    A substance that yields hydroxide ions in aqueous solution
    • A. 

      Lewis base

    • B. 

      Arrhenius base

    • C. 

      Lewis acid


  • 138. 
    By definition, pH is ...
    • A. 

      The measure of hygrogen ion concentration of a solution

    • B. 

      The potential of hydrolysis

    • C. 

      The measure of an acid in a solution


  • 139. 
    A compound in which there is a chemical union between water and certain substances when they crystallize.
    • A. 

      Hydration

    • B. 

      Hydrate

    • C. 

      Hydrolysis


  • 140. 
    Hydrates have finite amounts of water of crystallization. THe amounts will not vary.
    • A. 

      True

    • B. 

      False


  • 141. 
    Which of the following will form ions in water?
    • A. 

      Acetone

    • B. 

      Electrolyte

    • C. 

      Non-electrolyte


  • 142. 
    The following properties describe ______1. sour taste2. blue litmus paper turns red3. hydrogen gas i lberated when this type of compound ( in a dilute solution) reacts with a more active metal
    • A. 

      An acid

    • B. 

      A salt

    • C. 

      A buffer


  • 143. 
    Washing soda, epsom salts, borax, and plaster of Paris are examples of _______.
    • A. 

      Hydrates

    • B. 

      Anydrous acids

    • C. 

      Oxides


  • 144. 
    NaOH, KOH, and Ca(OH) 2 are considered....
    • A. 

      Strong bases

    • B. 

      Weak acids

    • C. 

      Moderate bases


  • 145. 
    2NaHCO3 + H2SO4 ----> 2H2O + 2CO2 + Na2SO4. this is a chemical process whereby carbon dioxide, water and salt are formed. what is NaHCO3???
    • A. 

      Baking soda

    • B. 

      Sodium carbonate

    • C. 

      Sulfuric acid


  • 146. 
    HCl, H2SO4, and H3PO4 are examples of
    • A. 

      Ions

    • B. 

      Acids

    • C. 

      Hydrates


  • 147. 
    The proprty defined as the dissociating of a substance into charged species that may be atoms or groups of atoms
    • A. 

      Neutralization

    • B. 

      Anion

    • C. 

      Ionization


  • 148. 
    _________ is the single most important factor in the initiation of decomposition.
    • A. 

      Heat

    • B. 

      Neutralization

    • C. 

      Hydrolysis


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