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Flashcards in Chapter 12 - Basics of Chemistry Deck (61):
1

Inorganic chemistry is the study of substances that do not contain the element carbon, but may contain which element?
a. silicon
b. oxygen
c. hydrogen
d. nitrogen

C. Hydrogen

2

A ______ is a substance that cannot be broken down into simpler substances without loss of identity.
a. compound
b. ion
c. molecule
d. element

d. element

3

Chemically joining two or more atoms in definite proportions forms a:
a. acid
b. molecule
c. mixture
d. solvent

B. Molecule

4

A ______ is a stable physical mixture of two or more substances.
a. solution
b. emulsion
c. compound
d. element

A. Solution

5

A _______ is a substance dissolved into a solution.
a. solvent
b. alkali
c. solute
d. acid

C. Solute

6

Liquids are not capable of being mixed into stable solutions are considered:
a. emulsions
b. suspensions
c. miscible
d. immisicble

D. Immiscible

7

Solutions that contain undissolved particles that are visible to the naked eye are known as:
a. suspensions
b. mixtures
c. solutes
d. emulsions

A. Suspensions

8

An _______ is a mixture of two or more immiscible substances untied with the aid of a binder.
a. suspension
b. emulsion
c. mixture
d. solution

B. Emulsion

9

An ______ is a substance that acts as bridge to allow oil and water to mix or emulsify.
a. reducing agent
b. surfactant
c. anion
d. cation

B. Surfactant

10

The tail of a surfactant molecule is oil-loving or:
a. miscible
b. immiscible
c. lipophilic
d. hyrophilic

C. Lipophilic

11

A molecule that caries an electric charge is called an:
a. alkaline
b. acid
c. atom
d. ion

D. Ion

12

Alpha hydroxy acids (AHAs):
a. are used to exfoliate skin
b. feel slippery on the skin
c. are also known as bases
d. are used to soften hair

A. Are used to exfoliate the skin.

13

An exothermic chemical reaction:
a. produces a positive electrical charge
b. produces a negative electrical charge
c. absorbs heat
d. releases heat

D. Releases heat

14

A substance that has a pH below 7.0 is considered to be:
a. combustible
b. neutral
c. acidic
d. alkaline

C. Acidic

15

Alkanolamines are often used in place of ammonia because they:
a. produces less odor
b. are less expensive
c. have better texture
d. are much more effective

A. Produce less odor.

16

Which of these is NOT composed of organic chemicals?

A. pesticides
B. shampoos
C. synthetic fabrics
D. minerals

D. minerals

17

Elemental molecules contain two or more ______ of the same element in definite proportions.
a. atoms
b. ions
c. cations
d. silicones

A. Atoms

18

Vapor is a ______ that has evaporated into a gas-like state.
a. element
b. solid
c. liquid
d. chemical

C. Liquid

19

An oxidizing agent is a substance that releases:
a. hydrogen
b. nitrogen
c. oxygen
d. carbon

C. Oxygen

20

Pure substances:
a. are united physically
b. have unique chemical and physical properties
c. can have any proportions
d. are the same as physical mixtures

B. Have unique chemical and physical properties.

21

Calamine lotion is an example of:
a. emulsion
b. mixture
c. solution
d. suspension

D. Suspension

22

Water-in-oil emulsions feel _________ than oil-in-water emulsions.
a. greasier
b. hotter
c. wetter
d. colder

A. Greasier

23

A common use of ______ is raising the pH in hair products to allow the solution to penetrate the hair shaft.
a. amino acid
b. ammonia
c. alkaline solution
d. alpha hydroxy acids

B. Ammonia

24

Volatile organic compounds contain _______ and evaporate very easily.
a. carbon
b. hydrogen
c. oxygen
d. nitrogen

A. Carbon

25

What type of products has no pH?
a. haircolor
b. relaxers
c. shampoos
d. oils

D. Oils

26

The chemical reaction that combines a substance with oxygen to produce oxide is:
a. combustion
b. oxidation
c. ionization
d. reduction

B. Oxidation

27

The term logarithm means multiples of:
a. 5
b. 10
c. 100
d. 1000

B. 10

28

The process through which oxygen is subtracted or hydrogen is added to a substance via a chemical reaction is:
a. reduction
b. oxidation
c. ionization
d. combustion

A. Reduction

29

Any substance that occupies space and has mass is:
a. an atom
b. an element
c. matter
d. a reaction

C. Matter

30

Characteristics that can only be determined by a chemical change in the substance are:
a. chemical properties
b. elemental properties
c. molecular properties
d. physical properties

A. Chemical properties

31

A chemical combination of matter in definite proportions is a:
a. atomic substance
b. combined substance
c. miscible substance
d. pure substance

D. Pure substance

32

A physical combination of matter in any proportions is a:
a. chemical mixture
b. combined mixture
c. physical mixture
d. pure mixture

C. Physical mixture

33

The _______ is the smallest chemical component of an element.
a. anion
b. atom
c. cation
d. molecule

B. Atom

34

Rapid oxidation of a substance, accompanied by the production of heat and light, is:
a. reduction
b. emulsification
c. ionization
d. combustion

D. Combustion

35

Rapid oxidation of a substance, accompanied by the production of heat and light, is:
a. reduction
b. emusification
c. ionization
d. combustion

D. Combustion

36

Characteristics that can be determined without a chemical reaction and that do not involve a chemical change in the substances are:
a. chemical properties
b. elemental properties
c. molecular properties
d. physical properties

D. Physical properties

37

The oxidation of haircolor is an example of physical change.

T or F

False

38

All haircolor products are organic chemicals.

T or F

True

39

Cold cream is an example of oil-in-water emulsion of two immiscible liquids.

T or F

False

40

Most organic substances do not burn because they do not contain carbon.

T to F

False

41

Sodium chloride is water.

T or F

False

42

The simplest form of chemical matter that cannot be broken down with out loss of identity is a:
A. Element
B. Energy
C. Substance
D. Mineral

A. Element

43

Liquids that can be mixed together to form stable solutions are:
A. Incompatible
B. Miscible
C. Solvents
D. Compatible

B. Miscible

44

Substances that allow oil and water to mix, or emulsify, are:
A. Suspensions
B. Mixtures
C. Particles
D. Surfactants

D. Surfactants

45

A common volatile organic compound used in hair spray is:
A. Ionized water
B. Ammonia water
C. Hydrogen peroxide
D. Ethyl alcohol

D. Ethyl alcohol

46

All matter has physical and chemical properties and exists in the form of a:
A. Solid
B. Liquid
C. Gas
D. All of the above

D. All of the above

47

Ions with a positive electrical charge are considered to be:
A. Nonaqueous
B. Cation
C. Neutral
D. Anion

B. Cation

48

A stable physical mixture of two or more substances is a:
A. Solvent
B. Solute
C. Solution
D. Emulsion

C. Solution

49

An unstable physical mixture of two or more immiscible substances is an:
A. Synthesis
B. Emulsion
C. Suspension
D. Solution

B. Emulsion

50

A substance, usually liquid, that dissolves another substance to form a solution is a:
A. Solvent
B. Immiscible
C. Solute
D. Solid

A. Solvent

51

An example of an ammonia compound that is used to perform chemical services in a salon is:
A. Ionization hydroxide
B. Ammonium hydroxide
C. Cetyl alcohol
D. Silicone solutions

B. Ammonium hydroxide

52

A solution with a pH value of 7 indicates:
A. Volatile solution
B. Alkaline solution
C. Neutral solution
D. Exothermic

C. Neutral solution

53

Chemical reactions that are characterized by or formed by giving off heat are:
A. Neutralization
B. Acidic
C. Electrons
D. Exothermic

D. Exothermic

54

The branch of science that applies to substances that contain carbon is called:
A. Inorganic chemistry
B. Organic chemistry
C. Matter chemistry
D. Structural chemistry

B. Organic chemistry

55

Change in the form of a substance that does not cause a chemical reaction is a:
A. Anion change
B. Chemical change
C. Matter change
D. Physical change

D. Physical change

56

An atom or molecule that carries an electrical charge is an:
A. Solution
B. Ion
C. Current
D. Resolute

B. Ion

57

Elements differ from one another because of the difference in the structure of their:
A. Atoms
B. Deionized elements
C. Occupying elements
D. Elemental molecules

A. Atoms

58

Combustion
A. Separation of an atom or molecule into positive and negative ions
B. Rapid oxidation of a substance, accompanied by the production of heat and light
C. Having an affinity or attraction to fat and oils (oil-loving)
D. Study of substances that do not contain the element carbon, but may contain the element hydrogen

B. Rapid oxidation of a substance, accompanied by the production of heat and light

59

Lipophilic
A. Separation of an atom or molecule into positive and negative ions
B. Rapid oxidation of a substance, accompanied by the production of heat and light
C. Having an affinity or attraction to fat and oils (oil-loving)
D. Study of substances that do not contain the element carbon, but may contain the element hydrogen

C. Having an affinity or attraction to fat and oils (oil-loving)

60

Ionization
A. Separation of an atom or molecule into positive and negative ions
B. Rapid oxidation of a substance, accompanied by the production of heat and light
C. Having an affinity or attraction to fat and oils (oil-loving)
D. Study of substances that do not contain the element carbon, but may contain the element hydrogen

A. Separation of an atom or molecule into positive and negative ions

61

Inorganic chemistry
A. Separation of an atom or molecule into positive and negative ions
B. Rapid oxidation of a substance, accompanied by the production of heat and light
C. Having an affinity or attraction to fat and oils (oil-loving)
D. Study of substances that do not contain the element carbon, but may contain the element hydrogen

D. Study of substances that do not contain the element carbon, but may contain the element hydrogen