Industrial and environmental chemistry

Class 12 · Chemistry · 5 questions

Name: ____________________ Date: ____________

Ammonia is made industrially by the:
- A Contact process
- B Solvay process
- C Ostwald process
- D Haber process
The catalyst in the contact process is:
- A Iron
- B Vanadium(V) oxide
- C Nickel
- D Platinum on silica only
Biodegradable waste is broken down by:
- A Metals
- B Sunlight only
- C Microorganisms
- D Plastics
Catalytic converters in cars reduce emissions of:
- A Nitrogen
- B Carbon monoxide and nitrogen oxides
- C Oxygen
- D Water vapour
Eutrophication of lakes is caused by excess:
- A Oxygen
- B Nitrates and phosphates
- C Sodium chloride
- D Sunlight

Answer key

1. D, 2. B, 3. C, 4. B, 5. B