Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ?
A). Nitrous oxide
B). Carbon dioxide
C). Chlorofluorocarbon
D). Sulphur dioxide
Chlorofluorocarbon
Chlorofluorocarbon is responsible for the depletion of ozone layer in the atmosphere.
1. The word 'insolation' means
2. The add used in lead storage cells is
3. Commercial nitric acid is coloured because it contains dissolved :
4. The gas causing acid rain in an industrial area is
5. For every action, there is an equal and opposite reaction, is Newton's
6. Which of the following has least negative electron gain enthalpy?
7. Which one of the following was used as a chemical weapon in the first world war ?
8. Spirit in contact with body gives cool sensation because it is :
10. Choose the incorrect statement pertaining to organic compounds