Nitrogen, Hydrogen & Ammonia

Ammonia is a/an ...

• neutral gas

• acidic gas

• alkaline gas

What is the test for the presence of Ammonia gas?

• produce 'pop' sound with burning splint

• relights glowing splint

• turns damp red litmus paper to blue

• turns damp blue litmus paper to red

What is the test for the presence of Hydrogen gas?

• produce 'pop' sounds using burning splint

• relights glowing splint

• turns damp red litmus paper to blue

• turns damp blue litmus paper to red

Pick 3 uses of Hydrogen Gas

• Manufacture of ammonia

• Manufacture of fertiliser

• Manufacture of margarine

• Rocket fuels

• For filling the floating balloons

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

• ammonia

• sulfuric acid

• margarine

• salts

What are the raw materials for the Haber process?

• Hydrogen & Oxygen

• Nitrogen & Oxygen

• Nitrogen & Hydrogen

• Hydrogen & Bromine

What is the catalyst used in the Haber process?

• Copper

• Nickel

• Iron

• Sulfur

What are the optimum conditions for the Haber process?

• 200 atm & 500 °C

• 500 atm & 200 °C

Most fertilisers have the elements Nitrogen, Phosphorus and Potassium (NPK), but what does the plants use Nitrogen for?

• for roots & shoots development

• for enzyme activation

• for osmosis

• to make proteins

Name the fertiliser produced by ammonia and concentrated sulfuric acid

• ammonium sulfate

• ammonium hydroxide

• ammonium nitrate

• ammonium chloride