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Chemistry Part 2

Total questions: 22

Worksheet time: 11mins

Name
Class
Date
1.

What is the formula for density?

a)

D=m/v

b)

D=v/m

c)

D=w/m

d)

D=m/w

2.

A tin box has a volume of 89 cm3 and a mass of 623 grams. What is its density?

a)

7 g/cm3

b)

0.14 g/cm3

c)

0.75 g/cm3

3.

A piece of asphalt has a volume of 251 cm3 and a mass of 502 g. What is its density?

a)

2 g/cm3

b)

0.5 g/cm3

c)

0.285 g/cm3

4.

A beechwood shed has a volume of 1.6m3 and a mass of 1,200 kg. What is its density?

a)

1,920 kg/m3

b)

750 kg/m3

c)

15 kg/m3

5.

Which of the following is a chemical reaction?

a)

Burning paper

b)

Chopping wood

c)

Tearing paper

d)

Smashing rocks

6.

Which is an example of a physical change?

a)

Burning paper

b)

Chopping wood

c)

Metal rusting

d)

Fireworks

7.

The reactants are on the ________ side of a chemical equation.

a)

Right

b)

Left

8.

The products are on the ____________ side of a chemical equation.

a)

Right

b)

Left

9.

What are the reactants in the following equation?

2H2 + O2 → 2H2O

a)

2H2 + O2

b)

2H2O

c)

O2

d)

2H2

10.

What are the products in the following chemical equation?

Na + OH → NaOH

a)

Na

b)

OH

c)

Na + OH

d)

NaOH

11.

How many atoms are in NaOH?

a)

2

b)

3

c)

4

d)

1

12.

How many atoms are in 2H2O2?

a)

8

b)

6

c)

5

d)

4

13.

Mya needs to find the volume of an unusual shaped rock. She uses the displacement method to find the volume of the rock. If her beaker has 200mL of water in it to start with and ends with 275mL after adding the rock, what is the volume of the rock?

a)

275 cm3

b)

75 cm3

c)

175 cm3

14.

Which of the following is a synthetic material?

a)

Cotton

b)

Wood

c)

Nylon

d)

Wool

15.

Which of the following is a natural material?

a)

Nylon

b)

Polyester

c)

Polyethelyne

d)

Cotton

16.

Both natural and synthetic materials come from _________ resources.

a)

natural

b)

synthetic

17.

Synthetic materials are created using...

a)

chemical reactions

b)

hammer and nails

c)

heat

18.

Synthetic materials take longer to recycle

a)

True

b)

False

19.

All of the following are clues of a chemical change EXCEPT...

a)

production of a gas

b)

change in temperature

c)

change in color

d)

change in size

20.

Is boiling water a chemical or physical change?

a)

chemical

b)

physical

21.

Is mixing lemon juice and milk a chemical change or a physical change?

a)

physical

b)

chemical

22.

The density of water is ___________.

a)

1.0 g/cm3

b)

10.5 g/cm3

c)

0.93 g/cm3

d)

2.5 g/cm3