Fertilisers (Edexcel GCSE Chemistry): Flashcards
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Practise the cards
15 cards from this deck
3 main elements in fertilisers
3 main elements in fertilisers
Nitrogen (N), phosphorus (P), potassium (K)
3 benefits of fertilisers
3 benefits of fertilisers
Increase crop yield, bigger crops, faster growth
Chemical used to produce N-containing fertiliser compounds
Chemical used to produce N-containing fertiliser compounds
Ammonia ()
Products when ammonia reacts with acids
Products when ammonia reacts with acids
Ammonium salts
Formula for ammonium sulfate
Formula for ammonium sulfate
Indicator for making ammonium sulfate in lab
Indicator for making ammonium sulfate in lab
Methyl orange
Methyl orange colour in alkaline solution
Methyl orange colour in alkaline solution
Yellow
Methyl orange colour when ammonia neutralised
Methyl orange colour when ammonia neutralised
Red
Process that produces ammonia
Process that produces ammonia
Haber Process
Process that produces sulfuric acid
Process that produces sulfuric acid
Contact Process
Industrial vs lab production: rate difference
Industrial vs lab production: rate difference
Industrial: high efficiency/speed; Lab: slower/controlled
What is atom economy in industrial processes?
What is atom economy in industrial processes?
Minimal waste
Factors affecting Haber & Contact processes
Factors affecting Haber & Contact processes
Temperature and pressure
Steps to get solid ammonium sulfate crystals
Steps to get solid ammonium sulfate crystals
Evaporate, crystallise, filter, dry
Industrial method: how is sulfuric acid introduced?
Industrial method: how is sulfuric acid introduced?
Sprayed into reaction chamber