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Ammonia is needed to produce fertiliser, ammoniate nitrate. Without manufacturing ammonia to make
fertiliser we wouldn't be able to make enough food to feed the population.


Nitrogen is extracted directly from the air which contains 78% nitrogen. Hydrogen comes from digging
down deep enough you can get methane.…

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[Balance symbol equation to learn]

Production costs: Type of exam question you could get is what other factors do you need to
consider before deciding which temperatue/pressure to go for. Usally if both of these are mentioned
then its really about using your common sense. Factors to consider would be…


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