Combustion of alkanes and pollution Quiz
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5 questions, one answer each
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1. Which are the products of incomplete combustion of methane that could be formed?
- A. CO₂ and H₂O only
- B. CO and/or C, with H₂O
- C. SO₂ and H₂O
- D. NO₂ and H₂O
2. Which pollutant is formed by the reaction of nitrogen and oxygen in the air at high temperature?
- A. Carbon monoxide
- B. Unburned hydrocarbons
- C. Nitrogen oxides
- D. Soot
3. What is formed when carbon monoxide reacts with nitrogen monoxide in a catalytic converter?
- A. CO₂ and N₂
- B. CO₂ and NO₂
- C. C and N₂O
- D. CO₂ and H₂O
4. Why can calcium oxide be used to remove sulfur dioxide from flue gases?
- A. It is an acid that reacts with a base
- B. It is a base that neutralises an acidic gas
- C. It is a catalyst for forming CO₂
- D. It dissolves in the SO₂
5. Which equation represents the reaction of sulfur dioxide with calcium carbonate?
- A. CaCO₃ + SO₂ → CaO + CO₂ + S
- B. CaCO₃ + SO₂ → CaSO₄ + C
- C. CaCO₃ + SO₂ → CaSO₃ + CO₂
- D. CaCO₃ + SO₂ → CaS + CO₂