CAPE Chemistry Unit 2 · 2016 · Paper 1 · Question Q44
It can be concluded from the graph that I. aldehydes and ozone are secondary pollutants II. hydrocarbons are secondary pollutants III. nitrogen monoxide is a primary pollutant
- (A)I only
- (B)III only
- (C)I and III only
- (D)II and III only
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