Chapter SEVEN: Chemistry

Question 1

Which of the following cosmetic products is formed when two or more nonmixable substances are united with small droplets

Accepted Answer

emulsion

Question 2

All of the following are true about the pH scale, EXCEPT:

Accepted Answer

acids have a value on the pH scale from zero to 4

Question 3

What are the basic units of matter that cannot be broken down into simpler substances by any chemical reaction?

Accepted Answer

elements

Question 4

That form of matter has definite weight, volume, and shape?

Accepted Answer

solid

Question 5

Of the following statements about hydroxy acids, which is NOT true?

Accepted Answer

used to slow down the natural exfoliation process

Question 6

Of the following, which is a finely ground solid that is mixed evenly with additional ingredients?

Accepted Answer

powders

Question 7

A large category of ingredients with surface activity that have the ability to bind a wide range of matter to water are:

Accepted Answer

surfactants

Question 8

Which of the following scientific terms is defined as positively charged and able to release a hydrogen ion?

Accepted Answer

acids

Question 9

What are the basic materials that the body uses to construct and renew itself?

Accepted Answer

proteins

Question 10

All of the following are true about compounds EXCEPT:

Accepted Answer

the forces that hold together compounds are called chemical bonds

Question 11

Which ingredients are added in order to maintain the microbiological integrity or product quality during manufacturing?

Accepted Answer

preservatives

Question 12

What is the smallest part of a compound that contains all of the chemical properties ?

Accepted Answer

molecule

Question 13

How many naturally occurring elements exist in nature?

Accepted Answer

92

Question 14

All of the following are true about carbohydrates, EXCEPT:

Accepted Answer

contain a combination of carbon, hydrogen, and nitrogen arranged in a chain

Question 15

Which of the following statements about lighteners is NOT true?

Accepted Answer

used at relatively high levels

Question 16

The chemical behavior of an atom depends mostly on the:

Accepted Answer

number of electrons in the outermost shell

Question 17

What government authority is responsible for regulating cosmetics?

Accepted Answer

FDA

Question 18

What is the scientific study of matter, changes affecting matter, and the energy involved?

Accepted Answer

chemistry

Question 19

What is the liquid part of the solution called?

Accepted Answer

solvent

Question 20

Oils and oil-soluble substances used to condition and soften the skin are cosmetic ingredients called:

Accepted Answer

emollients

Question 21

Which of the following is created when two different elements unite chemically?

Accepted Answer

compound

Question 22

The most abundant element in the earth's crust is:

Accepted Answer

oxygen

Question 23

Organic ingredients that bind water and deposit it onto the skin are called:

Accepted Answer

humectants

Question 24

Which of the following is NOT true about fragrance?

Accepted Answer

usually listed high on the ingredient label

Question 25

Of a carboxyl group is located on the second carbon atom of the chain, the ingredient is categorized as a(n):

Accepted Answer

beta hydroxy acid

Question 26

Which ingredient help increase density in emulsions and gel-type products?

Accepted Answer

thickeners

Question 27

Molecules that contain several carboxyl groups in the same chain are called:

Accepted Answer

poly hydroxy acids

Question 28

The name given to chemical reactions that occur in a living organism is which of the following?

Accepted Answer

biochemistry

Question 29

The ability to do work to accomplish change is:

Accepted Answer

energy

Question 30

Ingredients that possess the ability to destroy bacteria that can cause undesirable effects on the skin are:

Accepted Answer

antibacterial

Question 31

Ingredients used to prevent skin inflammation and damage due to free radicals are called:

Accepted Answer

antioxidants

Question 32

What is the pH of pure distilled water?

Accepted Answer

7

Question 33

Two or more compounds blended physically is called a(n):

Accepted Answer

mixture

Question 34

Which of the following serve as building blocks that connect with each other to form larger, more complex compounds?

Accepted Answer

monomers

Question 35

The unifying concept to organize elements and their similarities is called:

Accepted Answer

periodic law

Question 36

The science that deals with all matter that is now living or was alive at onetime is termed:

Accepted Answer

organic chemistry

Question 37

Which of the following cosmetic products are anhydrous substances that have the thick and heavy texture of a paste?

Accepted Answer

ointments

Question 38

Which of the following have been formulated with a thickening agent to increase viscosity?

Accepted Answer

gel

Question 39

When positive and negative ions join, they are held together by a(n):

Accepted Answer

ionic bond

Question 40

What ingredient is used in cosmetic products to keep them firm, yet soft and easy to apply to the skin?

Accepted Answer

fatty acids

Question 41

Which of the following is NOT true about physical changes?

Accepted Answer

creates a new substance with different material compositions

Question 42

Ingredients added to enhance the effectiveness of a preservative are called:

Accepted Answer

chelating agents

Question 43

Which of the following ingredients are commonly used to deliver a variety of benefits to the skin?

Accepted Answer

vitamins

Question 44

What name is given to ingredients that are likely to block/clog pores and contribute to pimples?

Accepted Answer

comedogenic

Question 45

Which of the following is the universal solvent?

Accepted Answer

water

Question 46

Emollients in products are generally found in concentrations ranging between:

Accepted Answer

2 to 10%

Question 47

All of the following statements about solutions are true EXCEPT:

Accepted Answer

the solid part is called the solvent

Question 48

Which of the following terms identifies a product that offers a decreased tendency to provoke an allergic reaction?

Accepted Answer

hypoallergenic

Question 49

Products packages under pressure and blended with a gas inside a container are:

Accepted Answer

aerosols

Question 50

Which of the following items contains very few minerals?

Accepted Answer

soft water

Chapter SEVEN: Chemistry

Questions 50

Chapter SEVEN: Chemistry

Questions 50