Chemistry · May / June 2023 · Paper 21 · Question 9
5070
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The question as text
Oxides of nitrogen such as nitrogen monoxide, NO, are atmospheric pollutants. The exhaust gas from a car engine contains 0.00200% by volume of nitrogen monoxide.
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Show the answer and mark scheme
9(a)[3]
9(b)[1]
9(c)[1]
9(d)[1]
9(e)(i)[1]
9(e)(ii)[1]
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