Which of the following is used as a substitute of chlorofluorocarbons (CFC)?

Kerosene

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Solar panels

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HFC

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None of the above

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Solution

The correct option is A HFC
CFC are very harmful as they cause a huge destruction to ozone layer. HFC is an alternate to CFC made by chemical industries as its ozone depletion potential is much less. However, global warming potential of HFC is a little more than CFC.

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