A-LevelChemistryNitrogen and sulfurMay/June 2024Paper 1 Q231 Mark
Catalytic converters are fitted in the exhaust systems of many cars. Gas X: • causes acid rain if it is released into the air • is removed from car exhaust fumes by a catalytic converter. What is gas X?
Acarbon dioxide
Bcarbon monoxide
Chydrocarbon vapour
Dnitrogen dioxide
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of nitrogen and sulfur within the Chemistrysyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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