E6 (Chemistry and Chemical Safety)

Question 1

What term refers to anything that occupies space, has physical and chemical properties, and exists in a solid, liquid, or gas form?

Answer 1

Matter

Question 2

Substances that cannot be reduced to simpler substances

Answer 2

elements

Question 3

A basic unit of matter that cannot be divided into simpler substances by ordinary chemical means.

Answer 3

atom

Question 4

When two or more atoms are joined together chemically, what is created?

Answer 4

molecule

Question 5

A new substance formed by chemically combining two or more atoms of different elements

Answer 5

compound

Question 6

When a substance gains oxygen, the substance is

Answer 6

oxidized

Question 7

Redox is a contraction for

Answer 7

oxidation reduction

Question 8

A substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound.

Answer 8

reducing agent

Question 9

A combination of substances that are held together by physical rather than chemical means

Answer 9

physical mixture

Question 10

A preparation made by dissolving a solid, liquid, or gaseous substance in another substance

Answer 10

solution

Question 11

Has the ability to dissolve more substances than any other solvent; is known as the universal solvent

Answer 11

water

Question 12

Liquid that mix easily are

Answer 12

miscible

Question 13

Nail polish containing glitter is an unstable physical mixture of undissolved particles in a liquid which is known as a

Answer 13

suspension

Question 14

A mixture of two or more substances that are united with the aid of a binder

Answer 14

emulsion

Question 15

Substances that act as a bridge to allow oil and water to mix or emulsify are called

Answer 15

surfactants

Question 16

The tail of a surfactant molecule is __________ meaning oil loving

Answer 16

lipophilic

Question 17

The dose of a substance that determines whether it will have a poisonous effect on the body is called

Answer 17

the overexposure principle

Question 18

The separating of a substance into ions is called

Answer 18

ionization

Question 19

Only products containing ____________ can have a pH.

Answer 19

water

Question 20

Pure water with a pH of seven is considered to be

Answer 20

neutral

Question 21

A product with a pH of 8.9 is considered to be

Answer 21

alkaline

Question 22

When acids and alkalis are mixed together in equal proportions, they _____________ each other.

Answer 22

neutralize

Question 23

Include safety information about products compiled by the manufacturer and required by law

Answer 23

SDS’s

Question 24

Incompatible products are chemicals that

Answer 24

should not be mixed together or even stored next to each other

Question 25

Substance that causes or is believed to cause cancer

Answer 25

carcinogen