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Social Science · 2022 · 2 marks
CBSE 2022 · Region 2 · Set 2 · Q2
Why is Aluminum Smelting the second most important metallurgical industry in India? Explain.
Why is Aluminum Smelting the second most important metallurgical industry in India ? Explain.
Marking-scheme solution
(i) It is light and resistant to corrosion.
(ii) It is a good conductor of heat and malleable.
(iii) It becomes strong when it is mixed with other metals.
(iv) It is used to manufacture aircraft, utensils and wires.
(v) It has gained popularity as a substitute of steel, copper, zinc and lead in a number of industries.
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CBSE Class 10 Social Science past-paper question from the 2022 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.