Chapter 10

Question 0

The science that deals with the composition, structures and properties of matter and how matter changes under different conditions is known as:

A. compounds
B. chemistry
C. electricity
D. structural changes

Answer 0

chemistry

Question 1

The study of substances that contain carbon is referred to as:

A. inorganic chemistry
B. chemical composition
C. organic chemistry
D. natural products

Answer 1

organic chemistry

Question 2

Products manufactured from natural gas, oil or plant or animal remains are considered to be:

A. organic
B. natural
C. inorganic
D. matter

Answer 2

organic

Question 3

Metals, minerals, water, and air are examples of:

A. natural substances
B. inorganic substances
C. compounds
D. proteins

Answer 3

inorganic substances

Question 4

Inorganic chemistry is the science that deals with compounds lacking:

A. lead
B. silver
C. carbon
D. water

Answer 4

carbon

Question 5

Any substance that occupies space and has mass can be considered to be:

A. simple
B. matter
C. energy
D. inorganic

Answer 5

matter

Question 6

A basic substance that cannot be broken down into simpler substances without loss of identity is called:

A. a compound
B. water
C. a molecule
D. an element

Answer 6

an element

Question 7

Substances that cannot be didvded into simpler substances by ordinary chemical means are:

A. atom
B. inorganic
C. chemical
D. atomic

Answer 7

atoms

Question 8

The smallest particle of an element is a(n):

A. hydrogen
B. atom
C. axle
D. acid

Answer 8

atom

Question 9

Chemical combinations of two or more atoms of different elements form:

A. a mixture
B. silicone
C. oxygen
D. a compound

Answer 9

a compound

Question 10

Normal matter exists in three different physical states, which are solid, gas, and:

A. liquid
B. organic
C. air
D. solute

Answer 10

liquid

Question 11

Characteristics that do not involve chemically changing a substance are:

A. unique properties
B. mechanical properties
C. physical properties
D. distinct characteristics

Answer 11

physical properties

Question 12

A change in a substance’s chemical composition is a:

A. natural change
B. chemical change
C. chemical mixture
D. chemical synthesis

Answer 12

chemical change

Question 13

Matter that is not mixed with substances of different chemical compositions is a:

A. pure substance
B. physical substance
C. chemical reaction
D. compatible substance

Answer 13

pure substance

Question 14

Physical mixtures containing two or more different substances are:

A. suspensions, chemicals, and matter
B. solutions, suspensions, and emulsions
C. compounds, physical matter, and water
D. minerals, compounds, and emulsions

Answer 14

solutions, suspensions and emulsions

Question 15

A blended mixture of two or more liquids or a solid dissolved in a liquid is a(n):

A. solution
B. emulsion
C. compound
D. alkaline

Answer 15

solution

Question 16

A substance that dissolves another substance with no change in chemical composition is a:

A. solute
B. mineral
C. solvent
D. mixture

Answer 16

solvent

Question 17

Miscible liquids are liquids that can be:

A. mixed without shaking
B. mixed into stable solutions
C. transformed into a suspension
D. combined without a solvent

Answer 17

mixed into stable solutions

Question 18

Liquids that are not capable of being mixed into stable solutions are:

A. solutes
B. solvents
C. inverted
D. immiscible

Answer 18

immiscible

Question 19

A product that does not separate when standing and contains particles is considered to be:

A. organic
B. a solvent
C. a solution
D. a mixture

Answer 19

a solution

Question 20

Solutions that contain undissolved particles that are visible to the naked eye are known as:

A. suspensions
B. mixtures
C. solutes
D. molecules

Answer 20

suspensions

Question 21

A mixture of two or more immiscible substances inited with the aid of a binder is known as a(n):

A. suspension
B. emulsion
C. mixture
D. solution

Answer 21

emulsion

Question 22

A sustance that acts as a bridge to allow oil and water to mix or emulsify is a(n):

A. active agent
B. surfactant
C. alkaline
D. deionization

Answer 22

surfactant

Question 23

The water-loving head of a surfactant molecule is:

A. hydrogen
B.lipophilic
C. hydrophilic
D. neutral

Answer 23

hydrophilic

Question 24

Ammonium hydroxide and ammonium thioglycolate are examples of products used to: A. raise the pH of hair B. neutralize the ph of hair C. compose hydrogen bonds D. neutralize the hair

Answer 24

raise the pH of hair

Question 25

An atom or molecule that carries an electric charge is an: A. arc B. acid C. ion D. alkaline

Answer 25

ion

Question 26

Acids owe their chemical reactivity to the: A. chemical compounds B. hydrogen ion C. redox D. exothremic

Answer 26

exothermic

Question 27

The chemical reaction that combine an element or compound with oxygen to produce an oxide is: A. suspension B. reduction C. neutralization D. oxidation

Answer 27

oxidation

Question 28

The rapid oxidation of any substance accompanied by heat or light is: A. oxygen B. combustion C. protons D. electricity

Answer 28

combustion

Question 29

When oxygen is subtracted from a substance, the chemical reaction is called: A. release B. reduction C. oxidized D. redox

Answer 29

reduction

Question 30

A substance that has a pH above 7.0 is considered to be a(n): A. neutral solution B. acid solution C. alkali solution D. reducing solution

Answer 30

alkali solution

Question 31

A sweet, colorless oily substance used as a moisturizing ingredient in cosmetic products is: A. glycerin B. moisturizing C. ointment D. compound

Answer 31

glycerin

Question 32

The chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized is: A. redox B. reducing C. neutral D. solute

Answer 32

redox

Question 33

Chemically joining two or more atoms forms a(n): A. acid B. molecule C. mixture D. solvent

Answer 33

molecule

Question 34

Chemical reaction that produce heat are called: A. external B. emulsions C. redox D. exothermic

Answer 34

exothermic