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Fertilisers

Ammonia Fertilisers.

Ammonia fertilisers are produced by the
neutralisation of ammonia with a mineral acid.
Ammonia contains nitrogen and is used to make fertilisers.

The main fertiliser is ammonium nitrate.
This is produced by the reaction of ammonia with nitric acid.

nitric acid    +    ammonia        ammonium nitrate.
HNO_3(aq)    +     NH_3(aq)                 NH₄NO_3(aq)

The above reaction is an example of neutralisation,
making a neutral salt.

The reaction of ammonia with sulfuric acid
would make ammonium sulfate (NH₄)₂SO_4(aq)

Ammonium nitrate has a higher percentage of nitrogen
than ammonium sulfate for the same mass of fertiliser.

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