ICSE Solutions for Class 9 Geography – Sources of Pollution ICSE Solutions for Class 9 Geography – Sources of Pollution Exercises I. Short Answer Questions Question 1. Name any three air pollutants and the sources of each of them. Answer: Pollutant : Carbon Monoxide (CO) : Nitrogen Oxides (NOx) : Sulphur Oxides (SOx) : Sources : Gasoline fuel, motor vehicles fuel, burning of wood and coal, solid waste disposal, Industrial processes. Primary sources are motor vehicles and power generation stations, combustion of organic matters, furnace stacks, incinerators. Mainly due to burning of coal, smelting operations, refineries, chemical plants, open burning of garbage and municipal incinerators. Question 2. What are natural sources of air pollution ? Answer: Natural sources are volcanic eruptions, sand, dust, forest fires etc. Question 3. Name one industry which pollutes the atmosphere with gaseous as well as with particulate matter. Answer: Auto...
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