Fertilisers

What are the three essential elements that plants require?

• nitrogen phosphate potassium

• nitrogen sulphur potassium

• nitrogen potassium phosphorous

• nitrogen potassium polonium

what is the catalyst used in the Haber process?

• iron

• platinum

• silver

• gold

Which of the following is untrue for the haber process?

• ammonia gas is cooled and collected as a liquid

• a really high temperature is used to speed up the reaction

• hydrogen and nitrogen are the raw materials for the reaction

• too high a pressure is unsafe

ammonia reacts with acids to produce ammonium salts

• true

• false

ammonia is a very acidic gas

• true

• false

What type of bonding is in ammonia?

• metallic

• covalent molecular

• covalent network

• ionic

Fertilisers are salts. what type of reaction produces fertilisers?

• addition

• precipitation

• neutralisation

• condensation

The Haber process is the industrial process for making...

• Ammonia

• Sulfuric Acid

• Margarine

• Salts

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

What is a reversible reaction?

• A reaction with oxidation and reduction

• A reaction with a forward and backward reaction

• A reaction with electron loss and gain

• A reaction that goes in reverse

Which equation represents the formation of ammonia

• N₂ + H₂ ₋> NH₃
• N + 3H ₋> NH₃
• N₂ + 3H₂ ₋> NH₃
• N₂ + 3H₂ ₋> 2NH₃