Chemistry
Chemistry
Chemistry
Chemistry
Chemistry
100

Which element is the most abundant in the earth's crust and the second most abundant element in the earth's atmosphere?

Oxygen

100

Beta-hydroxy acid (BHA) is also know as

Salicylic

100

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

10

100

Which common AHA can penetrate into the epidermis more effectively because it has the smallest molecular size?

Glycolic

100

In what pH range is hair, skin and nails?

4.5 to 5.5

200

When a substance gains an electron and oxygen is released, the process is called:

Reduction

200

Drunk driving the boat on the lake

The boy

200

Two or more atoms joined together by a chemical bond is a(n):

Molecule

200

How often should the esthetician review client records and comments to make sure there are no changes needed?

Every visit

200

The skin starts to peel off in sheets after how many days following a medium-depth peel?

5-10 days

300

Protons have which type of electrical charge?

Positive

300

A simple unit of a carbohydrate is called:

Saccharide

300

What is a negatively charged ion called?

Anion

300

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

Neutral

300

What term is used for a group of acids that occur naturally in food?

AHA

400

What is the proper way to dispose of unused chemical exfoliants?

saturate with baking soda then place in the trash

400

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

Oxygen

400

What kind of substance does pH indicate the acidity or alkalinity of?

Water-based

400

Which common AHA can penetrate into the epidermis more effectively because it has the smallest molecular size?

Glycolic

400

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

proteins, carbohydrates and lipids

500

All matter that is not alive, has never been alive and does not contain carbon, such as rocks, water and minerals falls within the study of:

Inorganic Chemistry

500

What product can be used to protect delicate areas around the nose and eyes, during a chemical peel?

Vaseline

500

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

a Gas

500

Oxygen and hydrogen combining to form water, is an example of what kind of change?

Chemical

500

Carbon, oxygen, hydrogen and nitrogen form the basis of:

Amino Acids