Compend - Chemistry
The chemical formula of NaOH denotes which of the following compounds? a. sodium hydroxide b. sodium oxide c. potassium hydroxide d. ammonium oxide
a...
An atom that has gained or lost electrons in a chemical reaction is a. an isotope b. an ion c. a neutron d. an isomer
b...
Anything that occupies space and possesses mass is a. energy b. matter c. solid d. dense
b...
Chlorine is a. an active metal b. a halogen c. a noble gas d. an inactive metal
b...
Fundamental types of matter that cannot be converted into other kinds by ordinary chemical means are a. compounds b. elements c. mixtures d. solutions
b...
If a solution is acid, its pH will be a. equal to seven b. below seven c. above seven d. fourteen
b...
The hydrolysis of proteins yields a. esters b. amino acids c. organic acids d. formic acids
b...
The oxidation number for the Ammonium Radical is a. -3 b. +1 c. -1 d. -2
b...
Upon complete hydrolysis, carbohydrates yield a. disaccharides b. monosaccharides c. polysaccharides d. trisaccharides
b...
Water of high mineral content, such as hard water, tends to a. prevent blood clotting b. promote blood clotting c. have no effect on blood clotting d. dilate blood vessels
b...
What are sulfonate compounds used for in embalming fluids? a. buffers b. surface active agents c. water conditioners d. humectants
b...
Oxygen occurs in the free state as a. O b. O₃⁻ c. O₂⁻ d. All of these
c...
A group of atoms functioning as a single atom in a chemical reaction a. a radical b. a formula c. a symbol d. a molecule
a...
A solution in which more solute can be dissolved at a given temperature is a. unsaturated b. supersaturated c. saturated d. concentrated
a...
A substance that is used as a buffer because it can act as either an acid or a base is considered to be a. amphoteric b. colloidal c. an emulsifier d. imbibitic
a...
Acidity or alkalinity is conveniently expressed by a scale of a. pH values b. acid reactance values c. % by weight Hydrogen or Hydroxide ions d. % by volume Hydrogen or Hydroxide ions
a...
An abbreviation for the name of an element is a. the atomic symbol b. a molecular formula c. a structural formula d. a linear formula
a...
An increase of oxidation number is characteristic of a. oxidation b. reduction c. hydrolysis d. neutralization
a...
Compounds which have identical molecular formulas but different structural formulas are a. isomers b. isotopes c.radicals d. aldehydes
a...
Of the following, the one that is used in embalming fluids as an anticoagulant is a. sodium citrate b. glycerine c. sorbitol d. sodium lauryl sulfate
a...
Polymerization of formaldehyde is inhibited by the addition of a. methanol b. water c. eosin d. borax
a...
Substances that can be decomposed or separated into singular substances are a. compounds b. atoms c. ions d. elements
a...
Substances which will pass through the pores of animals and vegetable membranes are a. crystalloids b. colloids c. suspensions d. gramuloids
a...
The atomic number of an element is equivalent to a. the total number of it's protons or electrons b. the total number of it's protons and electrons c. the total number of it's protons and neutrons d. the total number of it's protons, neutrons, and electrons
a...
The formula for Magnesium Chloride is a. MgCl₂⁻ b. MgCl c. MgCl₃⁻ d. MnCl₂⁻
a...
The measure of a liquid's resistance to flow is a. viscosity b. density c. specific gravity d. surface tension
a...
The most abundant element in the universe is a. hydrogen b. sodium chloride c. hydrogen hydroxide d. nitrogen
a...
The most common form of oxygen is a. molecular oxygen b. nasent oxygen c. ozone d. rust
a...
The percentage by weight formaldehyde in formalin is a. 37% b. 40% c. 2% d. 12 %
a...
The swelling and bursting of blood cells in a hypotonic salt solution is called a. hemolysis b. hemoptysis c. crenation d. proteolysis
a...
Two or more atoms of different elements form a. molecules b. atoms c. ions d. elements
a...
What is the freezing point of water? a. 0 degrees celcius b. 0 degrees fahrenheit c. 0 degrees kelvin d. 32 degrees celsius
a...
Which of the following can be separated by physical methods? a. mixtures b. compounds c. bases d. salts
a...
Which of the following is NOT a hazardous substance used in embalming fluids? a. hydrogen hydroxide b. acetone c. methanol d. formaldehyde
a...
Which of the following is used only as a filler in autopsy chemical mixtures? a. perlite b. lanolin c. paraformaldehyde d. paradicholorbenzene
a...
Which of these describes a substance which has a definite shape and a definite volume? a. solid b. liquid c. gas d. matter
a...
In use with embalming fluids, water and methyl alcohol are two examples of a. isomers b. vehicles c. indicators d. buffers
b...
Of all chemical compounds, the most depended upon by plants and animals is a. air b. water c. acid d. salt
b...
Oxygen means a. water former b. acid former c. salt former d. base former
b...
Paraformaldehyde is a polymer of a. acetaldehyde b. formaldehyde c. acetone d. paraform
b...
Soldium citrate when used in embalming fluids, functions as a/an a. wetting agent b. anticoagulant c. humectant d. modifying agent
b...
Solutions that have the same osmotic pressure are said to be a. hypertonic b. isotonic c. hypotonic d. hypoosmotic
b...
The characteristics of a substance observed without altering the composition of it are a. chemical properties b. physical properties c. energy properties d. chemical changes
b...
The class of compounds used in embalming fluids as perfuming agents is a. the mercaptans b. the esters c. the ethers d. the amines
b...
The digestion of cells by means of their own enzymes is called a. adipocere b. autolysis c. rigor mortis d. catabolism
b...
What is methyl salicylate used for in embalming fluids? a. buffer b. deodorant c. surfactant d. humectant
b...
What is paradicholorbenzene used for in embalming powders? a. disinfectant b. mold inhibitor c. buffer d. surfactant
b...
What substance is changed into adipocere by the saponification process? a. enzymes b. fats c. proteins d. carbohydrates
b...
What type of embalming fluids contain high concentrations of disinfectants and preservatives but generally lack active dyes and other modifying agents? a. jaundice fluids b. cavity fluids c. co-injection fluids d. humectants
b...
When a substance readily absorbs appreciable quantities of moisture from the air it is called a. anhydrous b. hygroscopic c. efflorescent d. amorphous
b...
Which of the following is classified as an inorganic salt? a. hydrogen chloride b. sodium chloride c. sodium hydroxide d. hydrogen sulfate
b...
Which of the following substances is used as a buffer in arterial fluid? a. sorbitol b. E.D.T.A. c. heparin d. lanolin
b...
Which one of the following chemicals, when contained in water in the form of salts, causes "hard water"? a. potassium b. calcium c. manganese d. sodium
b...
Which state of matter is described as having an indefinite shape and a definite volume? a. solid b. liquid c. gas d. compound
b...
Which term is used as a synonymous term for polyatomic ion? a. mixture b. radical c. compound d. solution
b...
A humectant commonly used in embalming fluids is a. borax b. sodium citrate c. sorbitol d. phenol
c...
A trihydroxyl alcohol found in both embalming fluids and in the structure of lipids and fats is a. ethanol b. methanol c. glycerol d. sorbitol
c...
Borax is used in embalming fluids to a. mask the odor of formaldehyde b. stain tissues c. adjust pH d. preserve tissues
c...
Decomposition of the human body is a. a physical property b. a physical change c. a chemical change d. a chemical property
c...
Deodorants are used in embalming fluids as a. surfactants b. humectants c. masking agents d. buffers
c...
Organic chemistry is a study of a. synthetic compounds b. metabolic compounds c. carbon compounds d. hydrogen compounds
c...
Proteins are compounds a. composed of many aldoses linked together b. composed of many ketoses linked together c. composed of many amino acids linked together d. composed of glycerine and fatty acid molecules combined together
c...
Sodium lauryl sulfate is used in embalming fluids as a. a dye b. a preservative c. a surfactant d. a vehicle
c...
The chemical used in embalming fluids to reduce surface tension and to aid in penetration, is known as a/an a. humectant b. buffer c. surfactant d. emollient
c...
The function of glycerol in embalming fluids is a. to preserve b. to dehydrate c. to act as a humectant d. to preserve body fats
c...
The main constituent of an acid is a. oxygen b. oxide c. hydrogen d. hydroxyl
c...
The most abundant element on earth is a. nitrogen b. hydrogen c. oxygen d. chlorine
c...
The most complex of all carbohydrates are the a. monosaccharides b. disaccharides c. polysaccharides d. trisaccharides
c...
The passage of a solid substance directly into the gaseous state is a. freezing b. crystallization c. sublimation d. boiling
c...
The science that deals with the nature of matter and the changes that matter undergoes is a. anatomy b. physiology c. chemistry d. biology
c...
The shrinking of blood cells in a hypertonic salt solution is called a. hemolysis b. hemoptysis c. crenation d. proteolysis
c...
The study of matter derived from inanimate or lifeless things is a. biochemistry b. alchemy c. inorganic chemistry d. organic chemicstry
c...
The temperature and pressure at which a solid turns into a liquid is a. the condensation point b. the boiling point c. the melting point d. the sublimination point
c...
The total amount of formaldehyde required to preserve all of the protein in the body is a. the saponification demand b. the decarboxylation demand c. the formaldehyde demand d. the formaldehyde residual
c...
Two or more atoms of the same element form a. a radical b. an ion c. a molecule d. an isotope
c...
Two or more substances that are combined together but are NOT chemically combined form a. a compound b. an element c. a mixture d. a state
c...
Water, when used in embalming fluids , is used as a a. preservative b. modifying agent c. vehicle d. buffer
c...
What is another name for physiological chemistry? a. organic chemistry b. inorganic chemistry c. biochemistry d. analytical chemistry
c...
What is benzaldehyde used for in embalming fluids? a. dye b. buffer c. deodorant d. humectant
c...
What is the electrical charge of an electron? a. neutral b. positive c. negative d. zero
c...
What is the function of plaster of paris in hardening compound a. coloring b. preservation c. dehydration d. disinfection
c...
Which of the following is NOT characteristic of a jaundice fluid? a. strong reducing agents b. strong active dye c. high index of formaldehyde d. low index of formaldehyde
c...
A positively charged particle in the nucleus of an atom is a. a cation b. an electron c. a neutron d. a proton
d...
Another name for ethanoic acid is a. methanoic acid b. formic acid c. lactic acid d. acetic acid
d...
Eosine, ponceau, and erythrosine are used in embalming fluids as a. surfactants b. preservative c. disinfectants d. dyes
d...
Formaldehyde in terms of embalming, is used as a a. preservative b. disinfectant c. humectant d. both a and b
d...
How many main classes of inorganic compounds are there? a. one b. two c. three d. four
d...
Of the following, the class of chemicals that are used as humectants in embalming fluids are a. aldehydes b. phenolics c. aromatic esters d. polyhydric alcohols
d...
The formula R-OH is a. a graphic formula b. a structural formula c. a line formula d. a general formula
d...
The function of methanal in embalming fluids is a. a penetrating agent b. buffer c. an anticoagulant d. a preservative
d...
The passage of a solvent through a semipermeable membrane from an area of lesser concentration to an area of higher concentration is a. dialysis b. suspensions c. diffusions d. osmosis
d...
The splitting apart of a compound by water is called a. non-electrolysis b. electrolysis c. hemolysis d. hydrolysis
d...
Upon hydrolysis, proteins yield a. sugars b. amines c. amides d. amino acids
d...
What is the study of non-carbon compounds? a. physiological chemistry b. embalming chemistry c. organic chemistry d. inorganic chemistry
d...
Which of the following is NOT a characteristic of an inorganic acid? a. the main constituent is hydrogen b. the pH is lower than 7.0 c. the compounds yield hydrogen upon hydrolysis d. the main constituent is hydroxide
d...
Which of the following is a physical property of matter? a. sulubility b. specific gravity c. density d. all of these
d...
Which of the following is not a chemical change? a. combustion b. decomposition of remains c. rusting of iron d. tearing of paper
d...
Which of the following is the result of two or more elements chemically united in a definite proportion by weight? a. a solution b. a mixture c. an element d. a compound
d...
Which of the following solutions contains the most solute? a. dilute b. concentrated c. saturated d. supersaturated
d...
Which of the following statements is FALSE concerning arterial fluids? a. They are normally injected into the arterial system b. They normally contain dye c. They normally contain surfactants d. They are normally injected into body cavities
d...
