(i) two major uses. |
(ii) names of two smelting states. |
(iii) annual production. |
Answer:
Copper Smelting Industries:
Aluminium Smelting:
(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.
(Any two)
(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.
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