Question: Chlorofluorocarbons, known as ozone-depleting substances, are used:
I. In the production of plastic foams II. In the production of tubeless tyres III. In cleaning certain electronic components IV. As pressurizing agents in aerosol cans
Options:
A) Only I
B) I, III & IV
C) II & III
D) All the above
Show Answer
Answer:
Correct Answer: B
BETA
