Fewpal
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Which one of the following statements is incorrect ? 

(A) Tin is extracted by carbon reduction (smelting) 

(B) Aluminium is extracted by Hall’s process which involves carbon reduction. 

(C) Extraction of lead does not involve bessemerisation 

(D) Silver is extracted by cyanide process

1 Answer

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(B) Aluminium is extracted by Hall’s process which involves carbon reduction.

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