Embalming Chemistry

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1.  Alpha particle are equivalent to the nuclei of helium.
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B.
2.  Gases in embalming fluids are....
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B.
C.
3.  Which of the following is the commercial method used to prepare hydrogen?
A.
B.
C.
4.  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.
B.
C.
5.  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
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B.
C.
6.  A red blood cell placed in a hypertonic solution will undergo...
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B.
C.
7.  What is true regarding the Kinetic Theory of Gas?
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B.
C.
8.  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
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B.
C.
9.  All atoms with the exception of hydrogen contain nuetrons
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B.
10.  HCl, H2SO4, and H3PO4 are examples of
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B.
C.
11.  A compound in which there is a chemical union between water and certain substances when they crystallize.
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B.
C.
12.  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
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B.
C.
13.  Which of the following is true?
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B.
C.
14.  Loss of electrons is ___Gain of electrons is _____
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C.
15.  Zn + 2NaOH ----> H2 + Na2 ZnO2This is an equation for...
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B.
C.
16.  Tearing of paper and melting of butter are examples of....
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B.
C.
17.  By definition, pH is ...
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B.
C.
18.  Oxygen reacts slowly at high temperatures
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B.
19.  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
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B.
C.
20.  When an electrolyte is placed in water, which of the following is an outcome?
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B.
C.
21.  Brass, bronze, stainless steel are...
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B.
C.
22.  In rationalizing the structure of a molecule, atoms try to become "happy" by attaining the electronic configuration of a ________
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B.
C.
23.  Oxygen acts a reducing agent but does support combustion.
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B.
24.  A substance that yields hydroxide ions in aqueous solution
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B.
C.
25.  The freezing point (temperature) of a substance is the same as its melting point (temperature)
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B.
26.  The proprty defined as the dissociating of a substance into charged species that may be atoms or groups of atoms
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B.
C.
27.  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
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C.
28.  A red blood cell placed in a physiologic saline solution will undergo.......
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C.
29.  100 ml. of a gas at 300 degrees absolute would occupy 50 ml at 150 degrees absolute. This example illustrates____________.
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C.
30.  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.
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B.
C.
31.  Oil and water mixed together make....
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C.
32.  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...
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B.
C.
33.  Which of the following will not form ions in water?
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B.
C.
34.  Any elements with the atomic number 58 through 71 and 90 through 103.
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B.
C.
35.  In the use of an ion-exchange system to remove water hardness, which ion is used in exchange for calcium?
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B.
C.
36.  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.
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B.
C.
37.  The decomposition of liquid water into hydrogen gas and oxygen gas when an electric current passes through it.
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B.
C.
38.  Oxygen is highly electronegative
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B.
39.   Oxygen is insoluble in water
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B.
40.  Which temperature scale is used in gas law calculations?
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B.
C.
41.  Which of the following is an abbreviation for chemical change?
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B.
C.
42.  In a chemical reaction oxidation and reduction do not occur at the same time. First oxidation occurs, then reduction follows.
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B.
43.  1 atmostphere (or 760 torr) is equal to the atmospheric pressure....
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B.
C.
44.  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.
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B.
C.
45.  Which would be true when a non-volitle substance as a solute is placed in water ( as a solv ent)?
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B.
C.
46.  Alpha particles consist of ___Each alpha particle has a ______charge
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B.
C.
47.  CaO + HOH ----> Ca(OH) 2This reaction illustrates which of the following?
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B.
C.
48.  The oxidation number of oxygen is...
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B.
C.
49.  The Brownian Movement is a characteristic of .....
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B.
C.
50.  Arrhenius was not aware of the self-ionization of water
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B.
51.  According the text, " a compound formed between a positive ion other than H+ and a negative ion other than OH-."
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B.
C.
52.  Hydrogen supports combustion
A.
B.
53.  CaS + H2O --->   CaO +H2S
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B.
C.
54.  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.
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B.
C.
55.  Which of the following is formed from a cation of a base and an anion of an acid?
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B.
C.
56.  Which of the following hard water treatment methods results in the formation of "curd"?
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B.
C.
57.  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.)
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B.
C.
58.  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.)
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B.
C.
59.  Which of the following are examples of chemical changes?1. Rusting of iron2. Combustion3. Decompostion4.Hydrolysis
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B.
C.
60.  What is added to embalming to fluid to help balance pH?
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B.
C.
61.  The bonds formed by the sharing of electrons between two atoms.
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C.
62.  The decay of the flurine atom to produce a stable form of oxygen and a proton is brought about by way of...
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B.
C.
63.  Color, odor, and tast are examples of....
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B.
C.
64.  What is Co?
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C.
65.  A substance whose water solution will not conduct electricity
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C.
D.
66.  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
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B.
C.
67.  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.
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B.
C.
68.  Which of the lowwing is the most efficient method of purifying water ( not necessarily cost effective, though).
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B.
C.
69.  A group of atoms that behave as if it were a single atom. The groups has its own charge and is called....
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C.
70.  ______ particles travel only a few centimeters in air. It is possible to stop them by a piece of paper.
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B.
C.
71.  Zn + H2SO4 ----> ZnSO4 + H2  This equation illustrates....
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B.
C.
72.  CH2O1. a compound2. a pure substabce3. a mixture4. an element5. matter
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B.
C.
73.  Oxygen is lighter than air.
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B.
74.  Protein + Water ---> Amino Acids This decompositon reaction illustrates....
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B.
C.
75.  The atomic number is defined as ......
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B.
C.
76.  Gases such as oxygen, carbon dioxide, ammonia, and chlorine can not be removed by distillation.
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B.
77.  The most abundant compund on earth.
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B.
C.
78.  Acids yielding a large number hydrogen ions in soultion are weak acids.
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B.
79.  The most penetrating type of radiation from radioactive atoms is...
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B.
C.
80.  The setting of plaster of Paris is____________.
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B.
C.
81.  Two oxygen atoms combine to form molecular oxygen (O2). Which of the following bonds is responsible to holding the two atoms together?
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B.
C.
82.  The separation of substances in solution by the differences in their rates of diffusion through a semipermeable membrane
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B.
C.
83.  The attractive forces between the hydrogen on water molecule and an oxygen on another water molecule
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B.
C.
84.  A common concentration for the disinfectant HgCl2 is 1:1000. This is an expression of.....
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B.
C.
85.  The following reaction illustrates how hydrogen is _____Zn + H2SO4 ---> H2 + ZnSO4
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B.
C.
86.  A solution measuring more hydroxide ions than there are hydrogen ions
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C.
87.  Uranium 238 can undergo transmutation to Thorium 234. According to your text, this is brought about by .......
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B.
C.
88.  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.
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B.
C.
89.  Which of the following have a particle size less than 1 nm?
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B.
C.
90.  A substance that donates a pair of electrons
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B.
C.
91.  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.
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B.
C.
92.  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.
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B.
C.
93.  The word ____ means "without water"
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B.
C.
94.  Which will yield hydroxide ions in solution?
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B.
C.
95.  Milk of magnesia, milk of lime, clay & water examples of ....
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B.
C.
96.  Select the correct definition of "calorie"
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B.
C.
97.  Positively charged atom or group of atoms
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B.
C.
98.  The number of radioactive disintegrations occuring per second in a one gram sample of radium.....
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C.
99.  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
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B.
C.
100.  Which of the following radioisotopes are used in medical procedures?1. Cobalt 572. uranium 2383. Gold 1984. Stontium 895. Radium 226
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B.
C.
101.  2NaHCO3 + H2SO4 ----> 2H2O + 2CO2 + Na2SO4. this is a chemical process whereby carbon dioxide, water and salt are formed. what is NaHCO3???
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B.
C.
102.  2H2O ----> 2H2 + O2 This is an equation for...
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B.
C.
103.  A fmiliar manifestation of energy is heat.
A.
B.
104.  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.
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B.
C.
105.  CuSO4 * 5H2O this is an example of ___
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B.
C.
106.  The temperature at a given pressure at which a substance changes from the solid state to the liquid state describes...
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B.
C.
107.  Which is true regarding the Kinetic Theory of Gas?
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B.
C.
108.  The temperature at which a substance changes from the liquid state to the gaseous state describes...
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B.
C.
109.  _________ is the single most important factor in the initiation of decomposition.
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B.
C.
110.  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
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B.
C.
111.  They typre of bond that results from the transfer of electrons from one atom to another.
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B.
C.
112.  According to the text, which of the following is the commercial method of preparatino of oxygen?
A.
B.
C.
113.  The use of hard water as a diluents for embalming fluid causes which of the following embalming problems?
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B.
C.
114.  A positive ion.
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B.
C.
115.  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.
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B.
C.
116.  Washing soda, epsom salts, borax, and plaster of Paris are examples of _______.
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B.
C.
117.  "a force that causes a surface of liquid to contract"...
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B.
C.
118.  To attain uniform concentration throughout a solution, particles move from regions of higher concentration to lower concentration. This describes..
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B.
C.
119.  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)
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B.
C.
120.  CaCl2 + Na2CO3 ---> CaCO3 + 2NaCl. This reation illustrates...
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B.
C.
121.  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....
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B.
C.
122.  Which of the following will form ions in water?
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B.
C.
123.  NaOH, KOH, and Ca(OH) 2 are considered....
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B.
C.
124.  Deuterium is an isotope of.........
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B.
C.
125.  Hydrates that release moisture to air.
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B.
C.
126.  Pure water is a non-electrolyte?
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B.
127.  In the embalming of unautopsied remains, the embalmer should be most concerned with _______ radiation.
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B.
C.
128.  What is the maximum amount of calcium desired in water that is used as a solvent for embalming fluid?
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B.
C.
129.  Activated charcoal (very finely ground preparationf of carbon) is used in________.
A.
B.
C.
130.  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.
B.
C.
131.  Which of the following is characterized as one atomic mass unit?
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B.
C.
132.  Isotopes of the same element differ in their number of...
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B.
C.
133.  Temperature affects solubility.
A.
B.
134.  2KClO3 + MnO2 ---> 2KCl + 2O2 + MnO2 This reaction is an example of...
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B.
C.
135.  The study of compounds produced by living organisms
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B.
C.
136.  2NaHCO3 + H2SO4 ------>   2H2O + 2CO2 + Na2SO4This is a chemical process whereby carbon dioxide, water, and salt are formed. What is NaHCO3?
A.
B.
C.
137.  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 _____.
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B.
C.
138.  Which of the following has a particle size more than 100 nm?
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B.
C.
139.  Which of the following is true regarding water?
A.
B.
C.
140.  If an atom lose an electron, it becomes an ______ with a _________charge.
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B.
C.
141.  2NaCl may be considered......1. two molecules2. one molecule3. one type of compound4. an element
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B.
C.
142.  It is consistent to sya that one milliter equals one cubic centimeter
A.
B.
143.  A tincture contains____ as a solvent
A.
B.
C.
144.  A substance whose water will conduct electricty
A.
B.
C.
145.  In a pure compound, the proportion by weight of the elements present is always the same. This statement describes.....
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B.
C.
146.  When a body with normal moisture content is embalmned, the injected embalming solution should be _____ to the contents of the tissues
A.
B.
C.
147.  Hydrates have finite amounts of water of crystallization. THe amounts will not vary.
A.
B.
148.  Acids that yield a large number of hydrogen atoms in solution are...
A.
B.
C.
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