Ch 12: Basics of Chemistry

Question 1

Inorganic chemistry is the study of substances that do not contain the element carbon, but may contain which element?

Answer 1

Hydrogen

Question 2

A substance that cannot be broken down into simpler substances without a loss of identity is _____.

Answer 2

an element

Question 3

Chemically combining two or more Adams in definite proportion forms _____.

Answer 3

a molecule

Question 4

A _____ is a stable physical mixture of two or more substances in a solution.

Answer 4

solution

Question 5

A _____ is a substance dissolved into a solution.

Answer 5

Solute

Question 6

Liquids that are not capable of being mixed together to form stable solutions are considered _____.

Answer 6

Immiscible

Question 7

Unstable physical mixtures of undissolved particles in a liquid are _____.

Answer 7

Suspensions

Question 8

An unstable physical mixture of two or more immiscible substances plus a special ingredient is _____.

Answer 8

an emulsion

Question 9

Hey substance that allows oil and water to mix or emulsify is _____.

Answer 9

a surfactant

Question 10

The tail of a surfactant molecule is oil loving or _____.

Answer 10

lipophilic

Question 11

An atom or molecule that carries an electrical charge is called an _____.

Answer 11

ion

Question 12

Alpha hydroxy acids (AHAs) are derived from _____ and used in the salon to exfoliate the skin and help adjust the pH of certain products.

Answer 12

plants

Question 13

Chemical reactions that release a significant amount of heat under certain circumstances are _____.

Answer 13

exothermic

Question 14

A substance that has a pH below 7.0 is considered to be _____.

Answer 14

acidic

Question 15

Alkanolamines are often used in place of ammonia because they _____.

Answer 15

produce less odor

Question 16

_____ are not composed of organic chemicals.

Answer 16

Minerals

Question 17

Elemental molecules contain two or more _____ of the same element in definite proportions.

Answer 17

atoms

Question 18

Vapor is _____ that has evaporated into a gas-like state.

Answer 18

a liquid

Question 19

An oxidizing agent is a substance that releases _____.

Answer 19

oxygen

Question 20

A pure substance is it chemical combination of matter in _____ proportions.

Answer 20

fixed

Question 21

The glitter in nail polish that can separate from the polish is an example of _____.

Answer 21

a suspension

Question 22

Water-in-oil emulsions feel blank than oil-in-water emulsions.

Answer 22

greasier

Question 23

The ingredient used to raise the pH in hair products to allow the solution to penetrate the hair shaft is _____.

Answer 23

ammonia

Question 24

Volatile organic compounds contain _____ and evaporate very easily.

Answer 24

carbon

Question 25

The chemical reaction that combines a substance with oxygen to produce an oxide is _____.

Answer 25

oxidation