GyanGramConsider the following statements: Chlorofluorocarbons, known as ozone-depleting substances, are used 1. in t…
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Consider the following statements:
Chlorofluorocarbons, known as ozone-depleting substances, are used
1. in the production of plastic foams
2. in the production of tubeless tyres
3. in cleaning certain electronic components
4. as pressurizing agents in aerosol cans
Which of the statements given above is/are correct?
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• Correct Answer: C
• CFCs were used as blowing agents in plastic foam production (1), solvents for cleaning electronic components (3), and pressurizing agents in aerosol cans (4).
• 2 is wrong: CFCs are not used in tubeless tyre manufacturing, which involves rubber vulcanization and carbon black.
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