Chemistry Exam E-22

Question 1

How does the patch delivery system administer performance ingredients?

Accepted Answer

Saturated liner

Question 2

The atomic number of a particular element indicates:

Accepted Answer

The number of protons in a single atom

Question 3

Factors to consider when choosing ingredients include all of the following reasons EXCEPT:

Accepted Answer

Cosmetic formulators opinion

Question 4

The mechanical or chemical process of removing superficial dead skin is referred to as:

Accepted Answer

Exfoliation

Question 5

All of the following statements about brighteners are true EXCEPT:

Accepted Answer

They increase the production of hyperpigmentation

Question 6

A pH of 5 is how many times more acidic than a pH of 6?

Accepted Answer

10

Question 7

Matter with definite weight but indefinite volume and shape is called:

Accepted Answer

A gas

Question 8

What happens when an alkali is placed in water?

Accepted Answer

Alkali decreases the concentration of hydrogen ions

Question 9

A granular scrub used to assist in physically removing dead skin cells is an example of what type of exfoliant?

Accepted Answer

Mechanical (physical)

Question 10

A bond uniting two amino acid groups that create proteins are:

Accepted Answer

Peptide bonds

Question 11

Water freezing and becoming ice is an example of what type of change?

Accepted Answer

Physical

Question 12

What is a negatively charged ion called?

Accepted Answer

Anion

Question 13

On the pH scale, numbers less than 7 indicate a(n):

Accepted Answer

Acidic solution

Question 14

What are the three major biochemical compound groups in the body?

Accepted Answer

Proteins, carbohydrates, and lipids

Question 15

Protons have which type of electrical charge?

Accepted Answer

Positive

Question 16

Mixtures of two or more kinds of molecules, having a tendency to separate when left standing, are known as:

Accepted Answer

Suspensions

Question 17

Acids tend to taste:

Accepted Answer

Sour

Question 18

Substance that increases concentration of hydrogen ions when placed in water because it donates/release, H+ ions is:

Accepted Answer

Acid

Question 19

All of the following statements regarding aerosols are true EXCEPT:

Accepted Answer

They are environmentally friendly to discard

Question 20

A simple unit of a carbohydrate is called:

Accepted Answer

Saccharide

Question 21

Most skin care products used by estheticians and clients are:

Accepted Answer

Mixtures

Question 22

Acids or bases used to alter the desired product pH level are called:

Accepted Answer

pH adjustors

Question 23

What is the most common element in the universe?

Accepted Answer

Hydrogen

Question 24

A client would like to purchase a product to remove eye makeup without causing harm to false eyelashes: Which product?

Accepted Answer

Non-oily eye makeup remover

Question 25

Examples of an emulsion include:

Accepted Answer

Cleansing creams

Question 26

Eye gel, serum and neck cream are examples of products used to:

Accepted Answer

Treat

Question 27

What color does blue litmus paper turn when placed in an acid?

Accepted Answer

Red

Question 28

Which of the following elements is most abundant in earth&#x27;s crust & second most abundant element in earth&#x27;s atmosphere?

Accepted Answer

Oxygen

Question 29

Which cosmetic ingredient helps to prevent moisture loss?

Accepted Answer

Emollient

Question 30

All matter that is now living or was alive at one time, with carbon present, falls within the scientific division of:

Accepted Answer

Organic chemistry

Question 31

Many products estheticians use are the result of chemically uniting two different elements, which is known as:

Accepted Answer

Compound

Question 32

Why is skin a solid?

Accepted Answer

Has definite weight, volume, and shape

Question 33

Neutrons have which type of electrical charge?

Accepted Answer

None

Question 34

Which of the following functional ingredients cause water to be held onto the skin?

Accepted Answer

Humectants

Question 35

The scientific study of matter and the physical and chemical changes of matter is known as:

Accepted Answer

Chemistry

Question 36

An ingredient used in skin care products to cover (mask) odor of raw ingredients is:

Accepted Answer

Fragrance

Question 37

Joan has a client with sensitive skin, which of the following masks would help calm and soothe her client’s skin?

Accepted Answer

Gel mask

Question 38

Skin comprises two solids, which are carbon and sulfur and three gases, which are hydrogen, nitrogen and:

Accepted Answer

Oxygen

Question 39

Which type of UV ray is longer penetrating and causes collagen breakdown?

Accepted Answer

UVA

Question 40

Electrons have which type of electrical charge?

Accepted Answer

Negative

Question 41

All of the following are benefits that may be derived from botanicals EXCEPT:

Accepted Answer

Increases melanocyte reaction

Question 42

Matter with definite weight and volume but no definite shape is called:

Accepted Answer

Liquid

Question 43

When a solution can&#x27;t take/dissolve more of the solute than it already holds at a given temperature, its referred to as:

Accepted Answer

Saturated solution

Question 44

pH stands for:

Accepted Answer

Potential hydrogen

Question 45

Atoms that are the same form a(n):

Accepted Answer

Element

Question 46

Which of the following are vegetable, mineral or pigment dyes that are added to products to enhance their appearance?

Accepted Answer

Coloring agents

Question 47

Which type of toner has the lowest percentage of alcohol content?

Accepted Answer

Freshener

Question 48

Which ingredient provides product quality & protection, is active against bacteria and enhances the product&#x27;s longevity?

Accepted Answer

Preservatives

Question 49

How are ingredients listed on a product label?

Accepted Answer

Descending order by weight concentration

Question 50

The term used to identify anything that occupies space and has weight is called:

Accepted Answer

Matter

Question 51

Liquid foundation would fall under which cosmetic classification?

Accepted Answer

Suspension

Question 52

Liposomes, microsponges and hydrogels all fall under what delivery system?

Accepted Answer

Microencapsulation

Question 53

A substance that is able to dissolve another substance is called a(n):

Accepted Answer

Solvent

Question 54

A night cream moisturizer is rich in antioxidants and repairing ingredients.

Accepted Answer

True

Question 55

The instructions on a product state to shake well before use, which indicates the product is a(n):

Accepted Answer

Suspension

Question 56

A solid is defined as:

Accepted Answer

Matter with definite wieght, volume, and shape

Question 57

What is the number one cause of skin cancer and premature aging?

Accepted Answer

Sun exposure

Question 58

Examples of non-comedogenic ingredients include all of the following EXCEPT:

Accepted Answer

Color additives

Question 59

What is formed when two or more non-mixable substances are united with the help of a binder?

Accepted Answer

Emulsion

Question 60

When a solution has an equal number of hydrogen and hydroxide ions, the solution is considered:

Accepted Answer

Neutral

Question 61

Pure substances are made of only one type of:

Accepted Answer

Atom or molecule

Question 62

What ingredient is listed as the primary ingredient on many skin care products?

Accepted Answer

Water

Question 63

Which government agency is responsible for regulating cosmetics in the U.S.?

Accepted Answer

FDA

Question 64

Why is pure water considered a neutral substance?

Accepted Answer

Positive and negative ions balance each other out

Chemistry Exam E-22

Questions 75

Chemistry Exam E-22

Questions 75