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Combustion

Total questions: 10

Worksheet time: 14mins

Name
Class
Date
1.

(a)   + oxygen → carbon dioxide + water

2.

What is another word for Combustion?

a)

Melting

b)

Burning

c)

Splitting

d)

Reacting

3.

Describe how the size of a hydrocarbon molecule affects the combustion reaction it undergoes.

4 lines
4.

How many carbons does a butane molecule contain?

a)

1

b)

2

c)

3

d)

4

5.

Most of the fuels we use are fossil fuels. What are the main fossil fuels?

a)

Gas, Oil, Stone

b)

Coal, Natural Gas, Fossils

c)

Coal, Natural Gas, Oil

d)

Diesel, Kerosene, Lighter fuel

6.

(a)   combustion occurs when a flame is partly or badly starved of oxygen

7.

What are the 3 key ingredients for combustion?

a)

Air, Fire, Water

b)

Oxygen, Heat, Fuel

c)

Oxygen, Fire, Wood

d)

Heat, Fuel, Coal

8.

What will happen if one or more of the 3 ingredients for combustion are removed?

4 lines
9.

The following equation is an example of what type of combustion?

hydrocarbon + oxygen → carbon monoxide + water

a)

Complete Combustion

b)

Monoxide Combustion

c)

Fuel Combustion

d)

Incomplete Combustion

10.

What is formed if a flame is badly starved of oxygen? - Provide an a word equation. What does this product look like?

4 lines