Home Chemistry Purification, Classification and Nomenclature of Organic Compounds NTA Abhiyas Question - Metallurgy Pb and Sn are extracted from their chief ore…
Chemistry Purification, Classification and Nomenclature of Organic Compounds NTA Abhiyas Question - Metallurgy Single Correct MCQ
Published on: August 12, 2026

Pb and Sn are extracted from their chief ore respectively by

A
Carbon reduction and self reduction
B
Self reduction and carbon reduction
C
Electrolysis and self reduction.
D
Self reduction and electrolysis.

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Text Solution

Verified by Experts
The correct answer is:
B

PbO and PbSO 4 get reduced by PbS itself which is already present in mixture so because the reduction took place by mixture itself, hence is known as self reduction.

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