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 pressurising agents in aerosol cans. |
Which of the statement(s) given above is/are correct? |
A) 1, 2 and 3
B) Only 4
C) 1, 3 and 4
D) All of these
Correct Answer: C
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