Home > Science > Additional OCR Gateway Science Topics > Chemical economics > Making ammonia – the Haber process
What are the starting materials for the manufacture of ammonia?
Iron and nitrogen
Electricity and hydrogen
Nitrogen and hydrogen
Which of these will increase the yield of ammonia?
Using a catalyst
What is the catalyst used in the manufacture of ammonia?
is the symbol used to denote:
A chemical reaction
A reversible reaction
A neutralisation reaction
Ammonia is vitally important for:
Manufacturing drugs and medicines
Sterilising surgical instruments
World food production