Duplicate of Ch 12

Question 1

Substances that cannot be reduced to simpler substances are called

Accepted Answer

elements

Question 2

Nail polish w/glitter is an unstable physical mixture of undissolved particles in a liquid, is

Accepted Answer

suspension

Question 3

The tail of a surfactant molecule is___, meaning oil-loving.

Accepted Answer

lipophilic

Question 4

Liquids that mix easily are known as

Accepted Answer

miscible

Question 5

Only products that contain___can have a pH.

Accepted Answer

water

Question 6

Everything in the universe is made of matter or___,which does not occupy space or have mass.

Accepted Answer

energy

Question 7

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

Accepted Answer

reducing agent

Question 8

When 2 or more atoms are joined together chemically,a___is created.

Accepted Answer

molecule

Question 9

All matter exists in one of 3 different physical forms:solid,liquid,&___

Accepted Answer

gas

Question 10

Which substance is an example of an elemental molecule?

Accepted Answer

Ozone

Question 11

The separating of a substance into ions is known as

Accepted Answer

ionization

Question 12

Organic chemistry is the study of all substances containing___.

Accepted Answer

carbon

Question 13

What is made when salt is dissolved in water?

Accepted Answer

Solution

Question 14

Redox is also known as

Accepted Answer

oxidation-reduction

Question 15

What type of change when ice melts & becomes water?

Accepted Answer

Physical

Question 16

The head of a surfactant molecule is___, meaning water loving.

Accepted Answer

hydrophilic

Question 17

The branch of chemistry that deals w/ products w/out carbon is called___

Accepted Answer

inorganic chemistry

Question 18

When acids & alkalis are mixed together in equal proportions, they___each other.

Accepted Answer

neutralize

Question 19

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

Accepted Answer

Silicone

Question 20

Another name for alkalis is

Accepted Answer

bases

Question 21

When a substance gains oxygen, the substance is

Accepted Answer

oxidized

Question 22

A combination of substances are held together by physical rather than chemical ties is known as

Accepted Answer

physical mixture

Question 23

Pure water w/ a pH of 7 is considered to be___

Accepted Answer

neutral

Question 24

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

Accepted Answer

solvent

Question 25

When one chemical changes its state of matter, the change is called a

Accepted Answer

physical change

Question 26

A chemical reaction in which oxygen is subtracted from or hydrogen is added to a substance is

Accepted Answer

reduction reaction

Question 27

The basic unit of matter cannot be divided into simpler substances by ordinary chemical means

Accepted Answer

Atom

Question 28

A new substance formed by chemically combining 2 or more atoms of different elements is

Accepted Answer

compound

Question 29

Anything that occupies space, w/ physical/chemical properties, & exists as solid, liquid,or gas

Accepted Answer

Matter

Question 30

substances that act as a bridge to allow oil/water to mix or emulsify are

Accepted Answer

surfactants

Question 31

A product w/ a pH 8.9 is considered ___

Accepted Answer

alkaline

Question 32

Because it dissolves more substances than any other solvent,___is the universal solvent

Accepted Answer

water

Question 33

A mixture of 2 or more substances that are united w/ the aid of a binder is

Accepted Answer

emulsion

Duplicate of Ch 12

Questions 33

Duplicate of Ch 12

Questions 33