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.


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