Chapter 6: Chemistry

Question 1

What is a solvent?

Accepted Answer

A substance that dissolves a solute and makes a solution.

Question 2

When mixing chemicals, one should _____.

Accepted Answer

Use a measuring device, such as a measuring cup or spoon

Question 3

Which of the following is TRUE of products that are incompatible?

Accepted Answer

No two should be stored next to each other

Question 4

What accompanies the rapid oxidization of a substance during combustion?

Accepted Answer

The production of heat and light

Question 5

If you were to leave the freezer open all night, all of the ice will melt. This is a result of _____.

Accepted Answer

An endothermic reaction

Question 6

The overexposure principle is used to describe how overexposure determines _____.

Accepted Answer

Toxicity

Question 7

What is an example of an oil-in-water emulsion?

Accepted Answer

Moisturizing lotion

Question 8

Which of the following is TRUE of solutions?

Accepted Answer

They are stable mixtures.

Question 9

What is the most abundant element found on Earth?

Accepted Answer

Oxygen

Question 10

What is the range of the pH scale?

Accepted Answer

0 to 14

Question 11

How many accepted pictograms are included in all SDS?

Accepted Answer

9

Question 12

Why should ammonia never be mixed with bleach ?

Accepted Answer

It creates a potentially deadly gas

Question 13

An SDS is formatted into _____ categories.

Accepted Answer

16

Question 14

Any substance that occupies space and has weight is _____.

Accepted Answer

Matter.

Question 15

For which of the following purposes would acids most likely be used?

Accepted Answer

To exfoliate the skin

Question 16

Guidelines for properly storing chemicals include all EXCEPT which of the following?

Accepted Answer

Never dispose of chemicals in their original containers

Question 17

What term refers to the simplest form of chemical matter?

Accepted Answer

Element

Question 18

What is the most commonly used cosmetic ingredient?

Accepted Answer

Water

Question 19

What did the Safety Data Sheet (SDS) replace?

Accepted Answer

Material Safety Data Sheet (MSDS)

Question 20

What does an oxidizing agent do?

Accepted Answer

Releases oxygen

Question 21

How many elements are known to science today?

Accepted Answer

118

Question 22

Which of the following best describes a carcinogen?

Accepted Answer

A substance that causes cancer

Question 23

What is it called when a chemical changes its state but not its composition?

Accepted Answer

Physical change

Question 24

In the uniform order of the SDS, which of the following comes immediately after the first category of "Identification"?

Accepted Answer

Hazard Identification

Question 25

All acids owe their chemical reactivity to _____.

Accepted Answer

The hydrogen ion

Question 26

pH is an abbreviation of _____.

Accepted Answer

Potential hydrogen

Question 27

A pH of eight is _____ times more alkaline than a pH of seven.

Accepted Answer

10

Question 28

Which of the following is the simplest form of chemical matter.

Accepted Answer

An element.

Question 29

What is a characteristic of suspensions?

Accepted Answer

Slightly miscible

Question 30

What does ionization create?

Accepted Answer

Two new ions with opposite electrical charges

Question 31

What does a reducing agent do?

Accepted Answer

Adds hydrogen to a chemical compound

Question 32

The pH scale is used to measure _____.

Accepted Answer

Acidity and alkalinity

Question 33

When immiscible liquids are combined, they form _____.

Accepted Answer

Suspensions.

Question 34

How long should a properly-stored emulsion remain stable?

Accepted Answer

Three years

Question 35

What is a solute?

Accepted Answer

A substance that is dissolved in a solution.

Question 36

How are elements identified?

Accepted Answer

By letter symbols

Question 37

Which of the following is an example of a compound molecule?

Accepted Answer

Common table salt.

Question 38

Which of the following is TRUE when salt is dissolved into water?

Accepted Answer

Salt is the solute and water is the solvent.

Question 39

SDS are designed for:

Accepted Answer

Use in an emergency

Question 40

Everything you can touch and everything you can see if matter EXCEPT _____.

Accepted Answer

Light and electricity.

Question 41

Which of the following is TRUE of creams, lotions, and makeup?

Accepted Answer

Contain chemicals when they are manufactured or come from natural resources

Question 42

The effects of cosmetics and beauty products are based on which of the following?

Accepted Answer

How the body reacts to chemicals.

Question 43

Which of the following were the first surfactants?

Accepted Answer

Soaps

Question 44

Why is understanding pH important for the beauty and wellness professional?

Accepted Answer

Because it affects the hair, skin, and nails

Question 45

Which of the following is TRUE today of the disposal of many of the chemicals used in salons, spas, and barbershops?

Accepted Answer

Most states and counties do not have regulations in place

Question 46

Which of the following is TURE of all liquids?

Accepted Answer

They are either miscible and immiscible.

Question 47

A _____ is capable of igniting and burning.

Accepted Answer

Combustable

Question 48

_____ are the basic units of matter.

Accepted Answer

Atoms.

Question 49

Which of the following is an example of a chemical change?

Accepted Answer

Exposed metal rusting.

Question 50

Why should beauty professionals study and have understanding of chemistry?

Accepted Answer

Every product used in beauty and wellness contains some type of chemical

Question 51

Acid-alkali neutralization reactions (acid is mixed with alkali in equal parts) balancing total pH, forming water and __

Accepted Answer

A salt

Question 52

Of all elements known to science today, how many occur naturally on Earth.

Accepted Answer

98

Chapter 6: Chemistry

Questions 52

Chapter 6: Chemistry

Questions 52