search
arrow-left Previous
Next arrow-right
Q: Which of the following gas is most harmful for ozone layer?
  • A. Carbon dioxide
  • B. Chloroflurocarbon
  • C. Nitrogen oxide
  • D. Sulphur dioxide
Correct Answer: Option B - The main substance include chlorofluoro carbons (CFCs), Hydrochdorofulurocarbons (HCFCs), halons, carbon tetrachloride, methyl chloroform and methyl bromide gases are most harmful for ozone layer. The damage to the ozone layer caused by each of these substances is expressed as their ozone depletion potential (ODP).
B. The main substance include chlorofluoro carbons (CFCs), Hydrochdorofulurocarbons (HCFCs), halons, carbon tetrachloride, methyl chloroform and methyl bromide gases are most harmful for ozone layer. The damage to the ozone layer caused by each of these substances is expressed as their ozone depletion potential (ODP).

Explanations:

The main substance include chlorofluoro carbons (CFCs), Hydrochdorofulurocarbons (HCFCs), halons, carbon tetrachloride, methyl chloroform and methyl bromide gases are most harmful for ozone layer. The damage to the ozone layer caused by each of these substances is expressed as their ozone depletion potential (ODP).