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?
A1, 2 and 3 only
B4 only
C1, 3 and 4 only
D1, 2, 3 and 4
Answer & Solution
Correct answer: C. 1, 3 and 4 only
UPSC CSE Prelims 2012 (GS-I, Set A), Q.17. Answer key: C (coaching consensus; UPSC did not publish an official 2012 AK separately on upsc.gov.in).
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