Answer the following questions in about 30 words:

Distinguish between the following in not more than 30 words.


(a) ferrous and non-ferrous minerals.


(b) conventional and non-conventional sources of energy


(i) (a) Ferrous and non-ferrous minerals


Ferrous minerals



Non-ferrous minerals



These minerals contain iron.



These minerals do not contain iron.



They provide a strong base for the development of metallurgical industries.



They play a vital role in a number of metallurgical, engineering and electrical industries.



Ferrous minerals constitute three fourth of total mineral production in India.



India’s reserves of non ferrous minerals is not very large



Example: Iron ore and manganese.



Example: Bauxite, lead and gold.



(b)


Conventional Source of Energy



Non-Conventional Source of Energy



These are generally exhaustible and polluting.



These are usually inexhaustible and non-polluting.



Some Examples are: Firewood, Coal and Petroleum



Some Examples are: Solar, Wind, Tidal and Atomic Energy



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