Ch 12 BASICS OF CHEMISTRY

Question 1

Substances that allow oil and water to mix or emulsify are ............

Accepted Answer

Surfactants

Question 2

There are.......naturally occurring elements each with its own distinct and chemical properties

Accepted Answer

98

Question 3

What's an example of an oil-in-water emulsion of two immiscible liquids?

Accepted Answer

Cold cream

Question 4

An unstable physical mixture of two or more immiscible substances is

Accepted Answer

An emulsion

Question 5

A characteristic of all inorganic substances is that they............

Accepted Answer

Lack carbon

Question 6

Branch of science that applies to substances that contain carbon is called .... chemistry.

Accepted Answer

Organic

Question 7

Being capable of combining with or attracting water is defined as........

Accepted Answer

hydrophilic

Question 8

Change in the form of a substance that doesn't cause a chemical reaction is a ......... change.

Accepted Answer

Physical

Question 9

Chemical reactions that are characterized by giving off heat are .......

Accepted Answer

Exothermic

Question 10

Air contains many substances including nitrogen carbon dioxide and water vapor and is anexample

Accepted Answer

Physical mixture

Question 11

What is an example of a chemical property?

Accepted Answer

Ability to rust

Question 12

An atom or molecule that carries an electrical charge is

Accepted Answer

An ion

Question 13

An ion with a positive electrical charge is considered to be .....

Accepted Answer

A cation

Question 14

Sodium chloride is an example of

Accepted Answer

A compound molecule

Question 15

The chemical combination of two or more atoms of different elements produces a(n)......,

Accepted Answer

Compound

Question 16

What term refers to the separation of an atom or molecule into positive or negative ions?

Accepted Answer

Ionization

Question 17

A substance usually liquid that dissolves another substance to form a solution is..........

Accepted Answer

A solvent

Question 18

The oxidation of haircolor is an example of a .............

Accepted Answer

Chemical change

Question 19

Mutually soluble liquids that can be mixed together to form clear solutions are ........

Accepted Answer

Miscible

Question 20

Having an affinity or attraction to fats or oils is defined as ...........

Accepted Answer

Lipophilic

Question 21

All hair color products are organic chemicals which means they .............

Accepted Answer

Contain carbon and hydrogen

Question 22

What's an example of an ammonia compound that's used to perform chemical services in a salon?

Accepted Answer

Ammonium hydroxide

Question 23

What state of matter has a definite volume but takes the shape of its container?

Accepted Answer

Liquid

Question 24

A chemical combination of matter in definite (fixed) propotions is a ..........

Accepted Answer

Pure substance

Question 25

The basic unit of matter

Accepted Answer

Atom

Question 26

A sweet colorless oily substance that is used as a moisturizer on skin and body creams is .....

Accepted Answer

Glycerin

Question 27

Substances used to neutralize acids or raise the pH of many hair products are .............

Accepted Answer

Alkanolamines

Question 28

A common volatile organic compound used in hair spray is ..............

Accepted Answer

Ethyl alcohol

Question 29

Chemically combining two or more atoms produces a .............

Accepted Answer

Molecule

Question 30

The rapid oxidation of a substance accompanied by the production of heat and light is known as

Accepted Answer

Combustion

Ch 12 BASICS OF CHEMISTRY

Questions 30

Ch 12 BASICS OF CHEMISTRY

Questions 30