Q1.
Ammonia is used in the production of fertilisers. The flow diagram shows the main stages in
the manufacture of ammonia.
Study the flow diagram and then answer the questions.
(a)
(i)
Name gas X and name gas Y.
Gas X is ............................... Gas Y is ...............................
(2)
(ii)
Draw a ring around the correct answer to complete the sequence.
cooled
In the condenser the mixture is
heated
to separate ammonia as a liquid.
oxidised
(1)
(b)
The ammonia is separated as a liquid from the unreacted gases.
Suggest two reasons why the unreacted gases are recycled.
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(2)
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