A-LevelChemistryNitrogen and sulfur9701/12 · May/June 2010 · Q351 Mark
In a car engine, non-metallic element X forms a pollutant oxide Y. Further oxidation of Y to Z occurs in the atmosphere. In this further oxidation, 1 mol of Y reacts with ½ mol of gaseous oxygen. What can X be? 1 carbon 2 nitrogen 3 sulfur
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
✓ Correct answer
C: 2 and 3 only are correct
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