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C15 Production and the Use of Fertilisers

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

Ammonium nitrate is another salt made from nitric acid. Which one of the following is the main use of ammonium nitrate? Choose one answer.

a)

dye

b)

fertiliser

c)

plastic

d)

fuel

2.

What percentage of the Earth’s atmosphere is nitrogen?

a)

5%

b)

20%

c)

50%

d)

80%

3.

Which acid reacts with ammonia to form ammonium nitrate?

(a)  

4.

Which acid reacts with ammonia to form ammonium sulphate?

(a)  

5.

How can you tell that a reaction is exothermic?

(a)  

6.

Ammonia is produced by a reversible reaction. Complete the sentence. The forward reaction is exothermic, so the reverse reaction is (a)   .

7.

A neutral solution can be produced when ammonia reacts with an acid. Give the pH of a neutral solution. pH (a)  

8.

Complete this sentence by choosing the correct answer from below. The ion that makes solutions acidic is ______________________________ .

a)

H+

b)

NH4+

c)

NO3

d)

O2–

e)

OH

9.

Which one of the questions below cannot be answered by science alone?

a)

How much ammonium nitrate is in drinking water?

b)

Should farmers stop using ammonium nitrate on their farmland?

c)

Is ammonium nitrate soluble in rain water?

10.

Why do some farmers put ammonium nitrate on their farmland?

(a)