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A-LevelChemistryHydrocarbonsOct/Nov 2009Paper 1 Q171 Mark

Most modern cars are fitted with three-way catalytic converters in the exhaust system. Which three gases are removed by such a catalytic converter?

Acarbon monoxide, hydrocarbons, nitrogen oxides
Bcarbon monoxide, carbon dioxide, nitrogen oxides
Ccarbon monoxide, nitrogen oxides, sulfur dioxide
Dhydrocarbons, nitrogen oxides, sulfur dioxide

✓ Correct Answer

The correct answer is A. This question tests the candidate's understanding of hydrocarbons 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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About This A-Level Chemistry Question

This multiple-choice question appeared in the Cambridge A-Level Chemistry (9701) Oct/Nov 2009 examination, Paper 1 Variant 2. It tests the topic of Hydrocarbons and is worth 1 mark.

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