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Burning fuels & Oxidation

Total questions: 20

Worksheet time: 4mins

Name
Class
Date
1.

What is another name for burning?

a)

Neutralisation

b)

Combustion

c)

Thermal decomposition

d)

Displacement

2.

What is produced in complete combustion of a fuel?

a)

Carbon

b)

Carbon monoxide

c)

Carbon monoxide and water

d)

Carbon dioxide and water

3.

The test for carbon dioxide gas is to bubble it through (a)   .

4.

For any fuel to burn, there must be a supply of (a)   gas.

5.

Hydrocarbons are fuels containing only:

a)

carbon and oxygen

b)

carbon and hydrogen

c)

carbon dioxide and hydrogen

d)

hydrogen and nitrogen

6.
What are fossil fuels?
a)
Dinosaur bones
b)
Resources made from once living organisms 
c)
Combination of different rocks
d)
Gas Stations
7.

Propane is burned with a blue flame

a)

propane + oxygen --> carbon dioxide + water

b)

propane + carbon dioxide --> oxygen + water

c)

propane + oxygen --> carbon monoxide + water

8.

Combustion is when a __________ reacts with oxygen

a)

petrol

b)

fuel

c)

fire triangle

d)

carbon dioxide

9.

The word equation for combustion is: fuel + oxygen --> water + ________ __________

a)

Carbon dioxide

b)

Limewater

c)

Carbon monoxide

d)

Water vapour

10.

The symbol equation that represents what goes on in a hydrogen cell ... 2H 2 + O 2 → 2H 2O

a)

True

b)

False

11.

What is produced by a hydrogen fuel cell?

a)

Water and Carbon Dioxide

b)

Carbon Dioxide

c)

Water

d)

Carbon monoxide

12.

Hydrogen produce more carbon dioxide than electric vehicles

a)

True

b)

False

13.

Hydrogen is flammable and reacts with oxygen from the atmosphere readily

a)

True

b)

False

14.

Combustion of fuel always produces carbon dioxide and water. Test for water is done by using

a)

limewater

b)

filter paper

c)

cobalt chloride paper

d)

dropping pipette

15.
Which of the following is the product of the reaction of aluminium and oxygen?
a)
aluminium oxide.
b)
metal oxide
c)
aluminium ore
d)
aluminium and oxygen
16.
Which of the following defines oxidation?
a)
A chemical reaction where a substance gains oxygen.
b)
A chemical reaction where a substance loses oxygen.
c)
A chemical reaction where a substance loses a metal.
d)
A chemical reaction where a substance gains a metal.
17.
The rusting of iron is an example of
a)
a reduction reaction.
b)
an oxidation reaction.
c)
a reaction of iron with water.
d)
a reaction that dissolves iron.
18.

Hydrogen reacts with oxygen to make

(a)  

19.

The product(s) for the oxidation of non-metals

(a)  

20.

The Law of Conservation of mass states that

a)

the masses of the reactants is greater than the masses of the products

b)

the masses of the reactants is lesser than the masses of the products

c)

the masses of the reactants is equal to the masses of the products

d)

it depends on the temperature during the reaction