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Cosmetology Chemistry Diesing

Total questions: 26

Worksheet time: 13mins

Name
Class
Date
1.

A combination of substances that are held together by physical rather than chemical ties is called :

a)

mixture

b)

compound

c)

synthesis

d)

solvent

2.

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

a)

chemical

b)

physical

c)

soluble

d)

reactive

3.

If a product has a pH of 8.9, it is considered:

a)

neutral

b)

acid

c)

alkaline

d)

balanced

4.

Pure water with a pH of 7 is considered to be:

a)

neutral

b)

alkaline

c)

acid

d)

mineral

5.

Liquids that mix easily are known as:

a)

miscible

b)

immiscible

c)

compatible

d)

incompatible

6.

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

a)

solute

b)

solvent

c)

suspension

d)

emulsion

7.

An alternation of the properties of a substance without the formation of a new substance is a:

a)

mixture

b)

compound

c)

chemical change

d)

physical change

8.

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

a)

aquaphilic

b)

lipophilic

c)

hydrophilic

d)

oilophilic

9.

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

a)

a suspension

b)

an ointment

c)

an emulsion

d)

a solution

10.

Temporary mixtures of two kinds of matter are:

a)

solutions

b)

emulsions

c)

mixtures

d)

suspensions

11.

Organic chemistry is the study of all substances containing:

a)

hydrogen

b)

nitrogen

c)

carbon

d)

sulfur

12.

Oxidation-reduction reactions, also known as ___ , are responsible for the chemical changes created by haircolors, hair lighteners, permanent-wave solutions, and neutralizers.

a)

iodox

b)

redox

c)

credox

d)

exothermia

13.

When two or more elements combine chemically, they form a new substance called:

a)

a mixture

b)

a suspension

c)

a compound

d)

a solution

14.

The branch of chemistry that deals with products that do not contain carbon is called:

a)

organic chemistry

b)

inorganic chemistry

c)

atomic chemistry

d)

molecular chemistry

15.

Anything that occupies space, has physical and chemical properties, and exists in either a solid, liquid, or gas form is known as:

a)

matter

b)

compounds

c)

elements

d)

organic substance

16.

The smallest particle of an element is the:

a)

proton

b)

neutron

c)

atom

d)

electron

17.

Substances that cannot be reduced to simpler substances are called:

a)

bases

b)

solutes

c)

elements

d)

gases

18.

The formation of a new product by the uniting of two or more elements is known as:

a)

a synthetic

b)

a compound

c)

a solution

d)

an emulsion

19.

When two or more atoms are joined together chemically a/an ____ created.

a)

molecule

b)

atom

c)

neuron

d)

electron

20.

Another name for alkalis is:

a)

nonmetals

b)

bases

c)

foundations

d)

metals

21.

When a substance is combined with oxygen, the substance is____.

a)

reduced

b)

subtracted

c)

oxidized

d)

suspended

22.

The head of a surfactant molecule is ____, meaning water-loving.

a)

aquaphilic

b)

lipophilic

c)

hydrophilic

d)

oilophilic

23.

A solution with a pH less than 7 is an ______ pH.

a)

acid

b)

alkali

c)

misible

d)

organic

24.

A solution with a pH higher than 7 as an ______ pH.

a)

acid

b)

alkali

c)

miscible

d)

density

25.

Metals, mineral, glass, and water are examles of:

a)

inorganic chemistry

b)

organic chemistry

c)

matter chemistry

d)

compound chemistry

26.

Haircolor, conditioners, nail enhancements and skin care are examples of:

a)

inorganic chemistry

b)

organic chemistry

c)

matter chemistry

d)

compound chemistry