5 years ago in Yearly Current Affairs of 2014

Which of the following is/are incorrect regarding ozone-depleting gas 'R-22'? 1. The gas, used primarily as refrigerant for Air Conditioners, is banned in India under the Montreal Protocol. 2. Mainly used as a propellant and refrigerant this colorless gas is a Hydrochlorofluorocarbon (HCFC). 3. Its not only harmful for Ozone layer but also contribute to global warming.

[A] Only 3
[B] Only 1
[C] Only 2
[D] None of the above
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Nazia Sayed
Nazia Sayed - 2 years ago

Nazia Sayed from Mumbai, India is saying None of the above is correct answer

Sayed badruzama
Sayed badruzama - 2 years ago

Sayed badruzama from Mumbai, India is saying Only 3 is correct answer

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