Basics of Chemistry

Question 1

Which substance is an example of an elemental molecule?

Accepted Answer

ozone

Question 2

Substance formed by chemically combining 2 or more atoms of different elements is known as a(n)

Accepted Answer

Compound

Question 3

Combination of substances that are held together by physical rather than chemical ties is

Accepted Answer

Physical mixture

Question 4

Substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound is

Accepted Answer

Reducing agent

Question 5

An example of a compound molecule

Accepted Answer

Table salt

Question 6

The tail of a surfactant molecule is (?) meaning oil loving

Accepted Answer

Lipophilic

Question 7

Only products that contain (?) can have a pH

Accepted Answer

Water

Question 8

A product with a pH of 8.9 is considered

Accepted Answer

Alkaline

Question 9

When acid and alkalis are mixed together in equal proportions they (?) eachother

Accepted Answer

Neutralize

Question 10

Temporary mixtures of two kinds of matter are

Accepted Answer

Suspensions

Question 11

When a substance gains oxygen, the substance is

Accepted Answer

Oxidized

Question 12

The separating of a substance into ions is known aS

Accepted Answer

Ionization

Question 13

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

Accepted Answer

Physical

Question 14

When fermented to make wine, the sugar in grapes is converted into

Accepted Answer

Ethyl alcohol

Question 15

Substances that cannot be reduced to simpler substances are called

Accepted Answer

Elements

Question 16

Pure water with a pH of 7 is considered to be

Accepted Answer

Neutral

Question 17

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

Accepted Answer

Silicone

Question 18

The head of a surfactant molecule is (?) meaning water loving

Accepted Answer

Hydrophilic

Question 19

There are about (?) naturally occurring elements

Accepted Answer

90-98

Question 20

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

Accepted Answer

Surfactants

Question 21

The smallest particle of an element is known as a(n)

Accepted Answer

Atom

Question 22

All matter exists in one of three different physical forms; solid, liquid and

Accepted Answer

Gas

Question 23

Organic chemistry is the study of substances containing

Accepted Answer

Carbon

Question 24

The branch of chemistry that deals with products without carbon is called

Accepted Answer

Inorganic chemistry

Question 25

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

Accepted Answer

Reduction reaction

Question 26

Redox is also known as

Accepted Answer

Oxidation reduction

Question 27

Everything known to exist in the universe is either made of matter or

Accepted Answer

Energy

Question 28

A mixture of two or more substances that are united with the aid of a binder is a(n)

Accepted Answer

Emulsion

Question 29

When two or more atoms are joined together chemically, a(n) (?) Is created.

Accepted Answer

Molecule

Question 30

An unstable physical mixture of undissolved particles in a liquid, is known as

Accepted Answer

Suspension

Question 31

Another name for alkalis is

Accepted Answer

Bases

Question 32

Liquids that mix easily are known as

Accepted Answer

Miscible

Question 33

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

Accepted Answer

Physical change

Question 34

What is made when salt is dissolved in water

Accepted Answer

Solution

Question 35

What is the universal solvent

Accepted Answer

Water

Question 36

Organic compounds are substances containing carbon and evaporate very quickly and easily.

Accepted Answer

Volatile

Question 37

What term refers to anything that occupies space?

Accepted Answer

Matter

Question 38

Basic unit of matter that cannot be divided into simpler substances by ordinary chemical means?

Accepted Answer

Atom

Question 39

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

Accepted Answer

Solvent

Question 40

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

Accepted Answer

Alkalanomines

Basics of Chemistry

Questions 40

Basics of Chemistry

Questions 40