Chapter 12 Chemistry

Question 1

Organic chemistry is the study of all substances containing

Answer 1

Carbon

Question 2

The branch of chemistry that deals with products without carbon is

Answer 2

Inorganic chemistry

Question 3

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

Answer 3

Matter

Question 4

Everything known to exist in the universe is either matter or what? Which does not occupy space or have mass.

Answer 4

Energy

Question 5

Substances that cannot be reduced into simpler substances are called what?

Answer 5

Elements

Question 6

What is the basic unit of matter that cannot be divided into simpler substances by ordinary chemical means?

Answer 6

Atom

Question 7

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

Answer 7

Molecule

Question 8

Which substance is an example of an elemental molecule?

Answer 8

Ozone

Question 9

A new substance formed by chemically combining two or more atoms of different elements is known as what?

Answer 9

Compound

Question 10

All matter exists in one of three different physical forms: solid, liquid, and what else?

Answer 10

Gas

Question 11

When one chemical changes it’s state of matter, the change is called what?

Answer 11

Physical change

Question 12

What type of change occurs when ice melts and becomes water?

Answer 12

Physical

Question 13

When a substance gains oxygen, the substance become what?

Answer 13

Oxidized

Question 14

Redox is also known as what?

Answer 14

Oxidation- reduction

Question 15

A chemical reaction in which oxygen is subtracted and hydrogen is added to a substance is called, what?

Answer 15

Reduction reaction

Question 16

A substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound is known as, what?

Answer 16

Reducing agent

Question 17

A combination of substances that are held together by a physical rather than chemical ties is known as, what?

Answer 17

Physical mixture

Question 18

What is made when salt is dissolved in water?

Answer 18

Solution

Question 19

In creating a solution, the liquid used to dissolve a substance is called, what?

Answer 19

Solvent

Question 20

Because it has the ability to dissolve more substances than any other solvent, what is known as the universal solvent?

Answer 20

Water

Question 21

Liquids that mix easily are known as, what?

Answer 21

Miscible

Question 22

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

Answer 22

Suspensions

Question 23

A mixture of two or more substances that are united with the aid of a binder is called, what?

Answer 23

Emulsion

Question 24

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

Answer 24

Surfactants

Question 25

The head of a surfactant molecule is, what? Meaning water loving.

Answer 25

Hydrophilic

Question 26

The tail of a surfactant molecule is called, what? Meaning oil attracting?

Answer 26

Lipophilic

Question 27

What is a special type of oil used in nail polish dryers and as a skin protectant?

Answer 27

Silicone

Question 28

The separating of a substance into ions is know as, what?

Answer 28

Ionization

Question 29

Only product containing, what? Only have a pH

Answer 29

Water

Question 30

Pure water with a pH of seven is considered to be, what?

Answer 30

Neutral

Question 31

A product with a pH of 8.9 is considered to be, what?

Answer 31

Alkaline

Question 32

Another name for alkalis is,what?

Answer 32

Bases

Question 33

When acids and alkalis are mixed together in equal proportions, they do what to each other?

Answer 33

Neutralize