Short Answer TypeWhy is it desirable to use unleaded petrol in vehicles fitted with catalytic converters?
Excessive nutrients in a fresh water body cause fish mortality. Give two reasons
The presence of large amounts of nutrients in the water bodies lead to excessive growth of algae and cause Algal bloom. The algal blood leads to deterioration of the quality of water, reduces dissolved oxygen and the hence leads to fish mortality.
(a) Name any two places where it is essential to install electrostatic percipitators. Why is it required to do so?
(b) Mention one limitation of the electrostatic precipitator.
A. State the consequence if the electrostatic precipitator of a thermal plant fails to function.
B. Mention any four methods by which the vehicular air pollution can be controlled.
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