Chemistry and Chemical safety

Question 1

What accompanies the rapid oxidation of a substance during combustion?

Accepted Answer

The production of heat and light

Question 2

The pH scale is used to measure?

Accepted Answer

Acidity and alkalinity

Question 3

Daryl works for you, several hours into his work, he asks, what if certain mixes do not mix? What advice should you give

Accepted Answer

"Incorporate an emulsifier into mixture in order to create a stable blend

Question 4

What did the Safety Data Sheet (SDS) replace?

Accepted Answer

The Material Safety Data Sheet (MSDS)

Question 5

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

Accepted Answer

Hazard Identification

Question 6

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

Accepted Answer

Because it affects the hair, skin, and nails.

Question 7

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

Accepted Answer

An element

Question 8

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

Accepted Answer

to exfoliate the skin

Question 9

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

Accepted Answer

pH of 5

Question 10

Exothermic reactions..

Accepted Answer

Release energy to the surroundings

Question 11

how many accepted pictograms are included in all SDS?

Accepted Answer

9

Question 12

The overexposure principle states that overexposure:

Accepted Answer

Determines toxicity

Question 13

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

Accepted Answer

every product used in beauty/ wellness contains some type of chemical

Question 14

When mixing chemicals, one should ____.

Accepted Answer

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

Question 15

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

Accepted Answer

every product he uses in an establishment will contain a type of chemical

Question 16

In many of the mixtures I am creating, I am combining two or more immiscible substances. What should I do?

Accepted Answer

Add an emulsifier into your mixture in order to create a stable blend.

Question 17

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

Accepted Answer

No two should be stored next to each other

Question 18

Which of the following is TRUE of the drops of lavender extract she is mixing into the water?

Accepted Answer

They are solutes.

Question 19

What is a solute?

Accepted Answer

substance being disolved

Question 20

Which of the following would be the BEST reason for Genevieve to decide against buying the salesperson's massage oils?

Accepted Answer

there is no such thing as a chemical-free product

Question 21

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

Accepted Answer

never dispose of chemicals in their original containers

Question 22

SDS are designed for:

Accepted Answer

use in an emergency

Question 23

Any substance that occupies space and has weight is

Accepted Answer

Matter

Question 24

All acids owe their chemical reactivity to ____

Accepted Answer

The hydrogen ion

Question 25

someone left the freezer door open all night, their entire stockpile of ice is now water. What happened to the ice?

Accepted Answer

a physical change

Chemistry and Chemical safety

Questions 25

Chemistry and Chemical safety

Questions 25