1.

(i) List any two criteria for selecting a good fuel. (ii) Explain how does burning of fossil fuels cause air and soil pollution.

Answer»

Solution :(i) Criteria for selecting a good fuel :
(a) Would do a LARGE AMOUNT of work per unit volume or MASS.
(b) be easily accessible.
(c) be easy to store and transport.
(ii) BURNING of fuels releases gases like `CO_(2), SO_(2), NO_(2),`. These causes air pollution. With rain, these pollutants fall as acid rain and cause SOIL pollution.


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