question_answer

Explain aluminium smelting and copper smelting industries with reference to the following for each of them.

(i) two major uses.

(ii) names of two smelting states.

(iii) annual production.

[AI2004C]

Answer:

Copper Smelting Industries:

(i) Two major uses: It is used for making utensils, electrical wires and alloys.

(ii) Two smelting states: Ghatshila in Jharkhand and Khetri in Rajasthan.

(iii) Annual production: India produces 43 thousand tonnes of copper blister (partly purified) which is only half of the requirement and the other half is imported.

  Aluminium Smelting:

(i) Two major uses: Because of its flexibility and good conductivity of electricity and heat, aluminium is widely used in a large number of industries. It is substituting steel, copper and lead in many industries.

(ii) Two smelting states: Orissa, West Bengal, Kerala, Uttar Pradesh.

(iii) Annual production: India produces about 620 thousand tonnes of aluminium per annum.

(Any two)