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Science 14 Chemistry Unit Review

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What does MSDS stand for?

a)

Material Safety Data Sheet

b)

Most Safe Data Sheet

c)

Material Solubility Data Sheet

d)

Materials Storing and Disposing Sheet

2.

Is baking soda a mechanical mixture, pure compound, or solution?

a)

Mechanical Mixture

b)

Pure Compound

c)

Solution

3.

Is vinegar a mechanical mixture, pure compound, or solution?

a)

Mechanical Mixture

b)

Pure Compound

c)

Solution

4.

Is salsa a mechanical mixture, pure compound, or solution?

a)

Mechanical Mixture

b)

Pure Compound

c)

Solution

5.

What is NOT part of the particle model of matter?

a)

Matter is made up of very small atoms

b)

there are spaces between particles

c)

all matter is made of living cells

d)

atoms are in a constant state of motion

6.

The COLOUR of something is a _____________ property.

a)

physical

b)

chemical

c)

mechanical

7.

The FLAMMABILITY of something is a _____________ property.

a)

physical

b)

chemical

c)

mechanical

8.

The SMELL of something is a _____________ property.

a)

physical

b)

chemical

c)

mechanical

9.

If a bracelet is 20% Zinc and 80% copper, zinc is the:

a)

solute

b)

solvent

c)

solution

10.

Distilled water is a:

a)

solution

b)

pure substance

c)

element

d)

mechanical mixture

11.

g/L is a measure of:

a)

solubility

b)

state

c)

insolubility

d)

concentration

12.

INCREASING temperature will _________ solubility

a)

decrease

b)

increase

c)

have no effect on

13.

stirring the mixture will _________ solubility

a)

increase

b)

decrease

c)

have no effect on

14.

Pure distilled vinegar is a/an:

a)

acid

b)

base

c)

neutral substance

d)

polar substance

15.

Salt water is a/an:

a)

acid

b)

base

c)

neutral substance

d)

polar substance

16.

Bases will turn blue litmus paper ______.

a)

red

b)

blue

17.

A solution of baking soda will turn red litmus paper ______ .

a)

red

b)

blue

18.

The pH scale goes from:

a)

0-12

b)

1-14

c)

1-12

d)

0-14

19.

Bases are classified as a substance that is ______ on the pH scale.

a)

0-6.9

b)

7.0-14

c)

0-7

d)

7.1-14

20.

Corrosion is a chemical reaction that REQUIRES:

a)

oxygen

b)

rust

c)

copper

d)

carbon dioxide