Question

Distinguish between the following in not more than 30 words.

•Ferrous and non-ferrous minerals
•Conventional and non-conventional sources of energy
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Answer 1

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a. Ferrous minerals are the metallic minerals containing iron. For e.g.- Iron ore, Manganese, Nickel, Cobalt etc.

While non-ferrous minerals are also metallic, but they do not contain iron. For e.g.- Manganese, Nickel, Cobalt etc.

b. Conventional sources of energy include firewood, cattle dung cake, coal, petroleum, natural gas and electricity (both hydel and thermal).

While non-conventional sources of energy are solar, wind, tidal, geothermal, biogas and atomic energy.