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Air pollution - Jamb Chemistry Past Questions and Answers

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Jamb Chemistry Past Questions

Question 1:


The air pollutant unknown in nature is

A. NO
B. CO
C. HCHO
D. DDT


Question 2:


The substance least considered as a source of environmental pollution is

A. Lead compounds
B. Organophosphorous compounds
C. Silicate minerals
D. Uranium




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