Embalming Chemistry
Test your skills
- 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
Correct Answer
A. At sea level -
- 2.
The freezing point (temperature) of a substance is the same as its melting point (temperature)
- A.
True
- B.
False
Correct Answer
A. True -
- 3.
The study of compounds produced by living organisms
- A.
Biochemistry
- B.
Embalming chemistry
- C.
Inorganic chemistry
Correct Answer
A. Biochemistry -
- 4.
Tearing of paper and melting of butter are examples of....
- A.
Chemical change
- B.
Physical change
- C.
Physical properties
Correct Answer
B. Physical change -
- 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
Correct Answer
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
Correct Answer
C. 1,2,3 & 4 -
- 7.
A fmiliar manifestation of energy is heat.
- A.
True
- B.
False
Correct Answer
A. True -
- 8.
The bonds formed by the sharing of electrons between two atoms.
- A.
Ionic
- B.
Valence
- C.
Covalent
Correct Answer
C. Covalent -
- 9.
Isotopes of the same element differ in their number of...
- A.
Nuetrons
- B.
Nuclei
- C.
Protons
Correct Answer
A. Nuetrons -
- 10.
Which of the following is an abbreviation for chemical change?
- A.
Formula
- B.
Equation
- C.
Symbol
Correct Answer
B. Equation -
- 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
Correct Answer
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.
Correct Answer
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
Correct Answer
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
Correct Answer
C. Charles Law -
- 15.
The setting of plaster of Paris is____________.
- A.
Physical change
- B.
Endothermic change
- C.
Exothermic change
Correct Answer
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.
Correct Answer
B. Gas molecules are very small in comparison to the average distance between them -
- 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.
Correct Answer
A. The quantity of hear necessary to raise the temperature of one gram of water one degree Celsius at fifteen degrees Celsius. -
- 18.
Oil and water mixed together make....
- A.
A compound
- B.
A homogenous mixture
- C.
A heterogeneous mixture
Correct Answer
C. A heterogeneous mixture -
- 19.
It is consistent to sya that one milliter equals one cubic centimeter
- A.
True
- B.
False
Correct Answer
A. True -
- 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
Correct Answer
C. Chemical change -
- 21.
Color, odor, and tast are examples of....
- A.
Chemical change
- B.
Physical properties
- C.
Physical change
Correct Answer
B. Physical properties -
- 22.
Which temperature scale is used in gas law calculations?
- A.
Kelvin (absolute zero)
- B.
Centigrade
- C.
Fahrenheit
Correct Answer
A. Kelvin (absolute zero) -
- 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
Correct Answer
B. Noble gas -
- 24.
Deuterium is an isotope of.........
- A.
Oxygen
- B.
Hydrogen
- C.
Carbon
Correct Answer
B. Hydrogen -
- 25.
A positive ion.
- A.
Cation
- B.
Cathode
- C.
Anion
Correct Answer
A. Cation -
- 26.
What is Co?
- A.
Carbon monoxide
- B.
Carbon dioxide
- C.
Cobalt
Correct Answer
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
Correct Answer
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
Correct Answer
B. Polyatomic ion -
- 29.
All atoms with the exception of hydrogen contain nuetrons
- A.
True
- B.
False
Correct Answer
A. True -
- 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
Correct Answer
B. 1?12 the mass of the carbon atom -
- 31.
CaS + H2O ---> CaO +H2S
- A.
Decomposition
- B.
Separation
- C.
Rearrangement
Correct Answer
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
Correct Answer
B. The Law of Definite Proportion -
- 33.
If an atom lose an electron, it becomes an ______ with a _________charge.
- A.
Isotope; negative
- B.
Ion; negative
- C.
Ion; positive
Correct Answer
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
Correct Answer
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
Correct Answer
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
Correct Answer
A. The number of protons in the nucleus -
- 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
Correct Answer
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
Correct Answer
B. Rare earth elements -
- 39.
Gases such as oxygen, carbon dioxide, ammonia, and chlorine can not be removed by distillation.
- A.
True
- B.
False
Correct Answer
A. True -
- 40.
CaCl2 + Na2CO3 ---> CaCO3 + 2NaCl. This reation illustrates...
- A.
Hydrolysis
- B.
Water reacting
- C.
Removal of water hardness by adding washing soda
Correct Answer
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
Correct Answer
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
Correct Answer
A. 2 only -
- 43.
A red blood cell placed in a hypertonic solution will undergo...
- A.
Crenation (shrinking)
- B.
Crenatin (bursting)
- C.
Hemolysis (shrinking)
Correct Answer
A. Crenation (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
Correct Answer
C. Concentrated and saturated -
- 45.
Activated charcoal (very finely ground preparationf of carbon) is used in________.
- A.
Aeration
- B.
Adsorption
- C.
Distillation
Correct Answer
B. Adsorption -
- 46.
"a force that causes a surface of liquid to contract"...
- A.
Covalent bonding
- B.
Surface tension
- C.
Viscosity
Correct Answer
B. Surface tension -
- 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
Correct Answer
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
Correct Answer
C. 2 & 4 -
- 49.
A tincture contains____ as a solvent
- A.
Gas
- B.
Alchohol
- C.
Water
Correct Answer
B. Alchohol -
- 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
Correct Answer
C. Hypotonic -
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Current Version
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Mar 16, 2022Quiz Edited by
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Oct 18, 2010Quiz Created by
Tlwadsworth
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