Rajasthan is known for reserves of non-ferrous minerals like _______.
Answer the following questions in about 30 words.
(i) Distinguish between the following in not more than 30 words.
(a) Ferrous and non-ferrous minerals
(b) Conventional and non-conventional sources of energy.
(ii) What is a mineral?
(iii) How are minerals formed in igneous and metamorphic rocks?
(iv) Why do we need to conserve mineral resources?
Distinguish between the following.
(i) Conventional and non-conventional sources of energy
(ii) Biogas and natural gas
(iii) Ferrous and non-ferrous minerals
(iv) Metallic and non-metallic minerals
Which of the following is a non-ferrous mineral?