The major photochemical smog is________.
(a) Hydrogen peroxide
(c) Peroxyacetyl nitrate
(d) All of the above
Answer: (b) The major photochemical smog is Chlorofluorocarbon. CFCs (chlorofluorocarbons) are harmless and nonflammable compounds made up of carbon, chlorine, and fluorine atoms. They’re used to make aerosol sprays, blowing agents for foams and packing materials, solvents, and refrigerants, among other things.
More Questions on Air Pollution
1. DDT and Aluminium cans are examples of ________.
2. How many different types of primary pollutants together contribute to about 90 per cent of the global air pollution?
3. Which of the following agents is mainly responsible for the secondary pollutants?
4. Smoke, fumes, ash, dust, nitric oxide and sulphur dioxide are the main sources of ________.
5. Which of the following industries plays a major role in polluting air and increasing air pollution?
6. Which of the following gas is more in percentage in the air?
7. Increased levels of air pollution results in _______.
8. The Taj Mahal, Lotus Temple, Golden Temple, India Gate and other famous heritage monuments are being affected by _______.
9. What is the total percentage of nitrogen gas in the air?
10. Which of the following gases are called Greenhouse gases?