Air Pollution and its Control — Prelims Questions

Which of the following devices is most effective in removing particulate matter from industrial exhaust gases?

Which of the following is a secondary air pollutant?

Vehicles fitted with catalytic converters should use unleaded petrol because:

Which of the following pollutants is responsible for the 'blue baby syndrome' (methemoglobinemia) when present in drinking water, but also contributes to acid rain as an air pollutant?

Which of the following statements about scrubbers is INCORRECT?

Which of the following is NOT a direct effect of air pollution on human health?