CFCs is used in:
Correct answer: B. Aerosol spray
- A. Refrigeration
- B. Aerosol spray
- C. Plastic foam industry
- D. All of above
Explanation
Chlorofluorocarbons (CFCs) are nontoxic, nonflammable chemicals containing atoms of carbon, chlorine, and fluorine. They are used in the manufacture of aerosol sprays, blowing agents for foams and packing materials, as solvents, and as refrigerants.
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Atmospheric pollution covers harmful gases and particles released by vehicles, industries, burning fuels and natural sources. It includes carbon monoxide, sulfur and nitrogen oxides, particulate matter, smog, acid rain, the greenhouse effect and ozone depletion, along with their causes, chemical reactions, environmental effects and control methods.
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