Environmental Chemistry Set 3

Excess from burning fossil fuels ✘ Excess production of by industry and coal gas ✘ Excess release of carbon monoxide by incomplete combustion ✘ Excess formation of by combustion and animal respiration ✔ NULL ✔ NULL NULL

Reduce oxygen in the environment ✘ Increase carbon dioxide in the environment ✘ Reduce carbon dioxide only in the environment ✘ Reduce and increase in the environment ✔ NULL ✔ NULL NULL

The interaction of CFC with oxygen. ✘ The interaction of UV radiation with oxygen. ✘ The interaction of IR radiation with oxygen. ✘ The interaction of oxygen and water vapour. ✔ NULL ✔ NULL NULL

Automobile exhaust ✘ Blanketing effect of carbon dioxide in atmosphere ✘ Reforestation ✘ Thickening of ozone layer ✔ NULL ✔ NULL NULL

Detergents ✘ Industrial wastes ✘ Pesticides ✘ Oil spills ✔ NULL ✔ NULL NULL

Domestic waste ✘ DDT ✘ Mercury salt ✘ Aluminium foil ✔ NULL ✔ NULL NULL

Oxides of nitrogen in the atmosphere can cause the depletion of ozone layer. ✘ Ozone absorbs the intense ultraviolet radiations of the sun. ✘ Depletion of ozone layer is because of its chemical reactions with chlorofluoroalkanes. ✘ Ozone absorbs infrared radiations. ✔ NULL ✔ NULL NULL

Stratosphere ✘ Troposphere ✘ Exosphere ✘ Thermosphere ✔ NULL ✔ NULL NULL

In November ✘ In the months of September and October ✘ In the months of October and November ✘ In summers ✔ NULL ✔ NULL NULL

More than that of water ✘ Less than that of water ✘ Equal to that of water ✘ None of these ✔ NULL ✔ NULL NULL