Ammonia and fertilizers

What are the three essential elements that plants require?

• nitrogen phosphate potassium

• nitrogen sulphur potassium

• nitrogen potassium phosphorous

• nitrogen potassium polonium

Ammonium salts react with acids to produce ammonia.

• true

• false

Which of the following would be a suitable fertiliser?

• nitrogen dioxide

• potassium nitrate

• copper phosphate

• nitrogen oxide

What type of bonding is present in ammonia molecules?

• metallic

• covalent molecular

• giant covalent

• ionic

What are the 2 reactants required to produce ammonia in a small scale laboratory setting?

• alkali and acid

• alkali and water

• acid and metal carbonate

• alkali and ammonium salts

Which of the following reactants will not produce ammonia on heating?

• Ammonium chloride and calcium hydroxide

• Ammonium sulfate and calcium oxide

• Potassium hydroxide and sodium nitrate

• Sodium hydroxide and ammonium nitrate

What are the raw materials for the Haber process?

• Hydrogen and Oxygen

• Hydrogen and Nitrogen

• Oxygen and Nitrogen

• Water and Nitrogen

The Haber process is the name we give to the industrial production of

• Ammonia
• Salt
• Sodium Hydroxide
• Soap

Nitrogen for the Haber process is formed by

• Fractional distillation of air

• Fractional distillation of crude oil

• Fixation of nitrogen by pea plants

• Electrolysis of water

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