Chemistry & Chemical Safety

Question 1

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

Accepted Answer

Hazard Identification

Question 2

Which of the following is TRUE of solutions?

Accepted Answer

They are stable mixtures.

Question 3

What does a reducing agent do?

Accepted Answer

adds hydrogen to a chemical compound

Question 4

Abner is opening a beauty business. He knows that his course in chemistry will help him to run a better business since

Accepted Answer

every product used in his establishment will contain some type of chemical

Question 5

Why should beauty professionals study and have a thorough understanding of chemistry?

Accepted Answer

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

Question 6

Harriet's client Rafael has requested that Harriet use a solution that is neutral to his skin. Which should be used?

Accepted Answer

a pH of 5

Question 7

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

Accepted Answer

Salt is the solute, and water is the solvent.

Question 8

Which of the following BEST describes a carcinogen?

Accepted Answer

substance that causes cancer

Question 9

What is a solvent?

Accepted Answer

substance that dissolves a solute and makes a solution

Question 10

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

Accepted Answer

Because it affects the hair, skin, and nails.

Question 11

Why is it so important for beauty professionals to have a thorough understanding of chemistry?

Accepted Answer

They won't be able to use pro. products effectively and safely without it

Question 12

All acids owe their chemical reactivity to ____.

Accepted Answer

the hydrogen ion

Question 13

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

Accepted Answer

How the body reacts to chemicals

Question 14

Which of the following were the first surfactants?

Accepted Answer

soaps

Question 15

An SDS is formatted into __ categories.

Accepted Answer

16

Question 16

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

Accepted Answer

endothermic reaction

Question 17

What is TRUE of a mixture that begins to separate when left to sit for more than five minutes?

Accepted Answer

They are immiscible.

Question 18

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

Accepted Answer

to exfoliate the skin

Question 19

Why should ammonia never be mixed with bleach?

Accepted Answer

It creates a potentially deadly gas.

Question 20

SDS are designed for:

Accepted Answer

use in an emergency situation

Question 21

What accompanies the rapid oxidation of a substance during combustion?

Accepted Answer

the production of heat and light

Question 22

Acid-alkali neutralization reaction occurs when balancing the total pH and forming water (H2O) and _____.

Accepted Answer

a salt

Question 23

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

Accepted Answer

Element

Question 24

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 25

The owner of a spa insists there is an SDS available for every chemical used. Why is the owner so strict about this?

Accepted Answer

It is a requirement of OSHA

Question 26

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

Accepted Answer

Common table salt

Question 27

How many elements are known to science today?

Accepted Answer

118

Question 28

When immiscible liquids are combined, they form _____.

Accepted Answer

suspensions

Question 29

What did the Safety Data Sheet (SDS) replace?

Accepted Answer

the Material Safety Data Sheet (MSDS)

Question 30

How many accepted pictograms are included in all SDS?

Accepted Answer

9

Question 31

Which of the following is TRUE of creams, lotions, masks, and makeup.

Accepted Answer

Contain chemicals from natural sources and/or from manufactured in a lab

Question 32

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

Accepted Answer

Never dispose of chemicals in their original containers.

Question 33

A mixture begins to separate after five minutes. What can be added to the mixture to solve this problem?

Accepted Answer

emulsifier

Question 34

What does an oxidizing agent do?

Accepted Answer

releases oxygen

Question 35

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

Accepted Answer

No two should be stored next to each other.

Question 36

The pH scale is used to measure _____.

Accepted Answer

acidity and alkalinity

Question 37

In a scented mist, which of the following is TRUE of lavender extract mixed into the water?

Accepted Answer

They are solutes.

Question 38

Which of the following happens when ice melts?

Accepted Answer

physical change

Question 39

A client has asked that you not use any mutagens in their treatment. Which of the following is the MOST LIKELY reason?

Accepted Answer

They have a weakened immune system and is susceptible to cancers.

Question 40

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

Accepted Answer

98

Question 41

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

Accepted Answer

exposed metal rusting

Question 42

What is a solute?

Accepted Answer

substance that is dissolved in a solution

Question 43

Your manager tells you to pay attention to certain products and chemicals that are incompatible. What should you do?

Accepted Answer

Store them away from each other

Question 44

You're in charge of mixing a variety of chemicals for use on customers. When mixing, you should avoid all EXCEPT:

Accepted Answer

well-ventilated areas

Question 45

A _____ is capable of igniting and burning.

Accepted Answer

combustible

Question 46

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

Accepted Answer

toxicity

Question 47

You're creating a variety of products and mixtures that must have a measurable pH. What must be included?

Accepted Answer

water

Question 48

When mixing chemicals, one should ____.

Accepted Answer

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

Question 49

Why is an esti MOST LIKELY confident they'll be made aware of any hazards associated with the products shey work with?

Accepted Answer

The products are registered with the EPA

Question 50

Which of the following is TRUE of all liquids?

Accepted Answer

They are either miscible or immiscible.

Question 51

Employees using massage oils have been using without incident for months and are now having rashes and sneezing. Why?

Accepted Answer

the overexposure principle

Question 52

You have been working with lotions and creams that, when mixed with activators, warm the bottles they are in. This is:

Accepted Answer

an exothermic reaction

Question 53

______ are the basic units of matter.

Accepted Answer

Atoms

Question 54

Marcus is insisting that air is a pure substance while Amanda is certain that it is not. Who is correct and why?

Accepted Answer

Marcus is correct because there are no pieces of matter in air., Amanda is correct because air contains many substances so it cannot be pure

Question 55

Any substance that occupies space and has weight is ____.

Accepted Answer

matter

Question 56

pH is an abbreviation of ______.

Accepted Answer

potential hydrogen

Question 57

Everything you can touch and everything you can see is matter EXCEPT ______.

Accepted Answer

light and electricity

Chemistry & Chemical Safety

Questions 57

Chemistry & Chemical Safety

Questions 57