A-LevelChemistryNitrogen and sulfurOct/Nov 2016Paper 1 Q361 Mark
Oxides of both sulfur and nitrogen are present in the atmosphere. Which statements are correct? 1 Oxides of both sulfur and nitrogen can be formed in internal combustion engines. 2 Oxides of both sulfur and nitrogen can be produced by direct combination of the elements. 3 Oxides of both sulfur and nitrogen are involved in the formation of acid rain.
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
✓ Correct Answer
The correct answer is A. 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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