Chemistry -NPK Fertiliser

What do NPK Fertilizer contain?

Nitrogen, Phosphorus and Potassium

What do compounds containing these elements improve?

Agricultural productivity

What does NPK fertiliser help plants improve?

Help plants grow larger and faster

Where is NPK fertilizer produced?

Large industrial facilities

NPK fertiliser is a formulation of what?

Different salts

What is the main compound of Nitrogen in NPK fertiliser?

Ammonium Nitrate (NH4NO3)

What process is used to make Ammonia?

The Haber process

Ammonia can be used to produce what acid?

Nitric acid

Where does the potassium in NPK fertiliser come from?

potassium chloride or potassium sulphate

Treating phosphate rock with nitric acid produces?

phosphoric acid and calcium nitrate

If you treat phosphate rock with sulfuric acid you make a mixture of what?

calcium phosphate and calcium sulphate

A mixture of calcium phosphate and calcium sulphate is called what?

single superphosphate

If we treat phosphate rock with phosphoric acid we get what?

triple superphosphate