Chemistry General Principles and Processes of Isolation of Elements ( Not In Syllabus ) Roasting & Calcination Single Correct MCQ
Published on: August 13, 2026

A metal obtained directly by roasting of its sulphide ore is

A
B
C
D

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The correct answer is:
C

When conc. ore is roasted

At this temperature, mercury vaporises and the vapours are condensed to the liquid metal. Mercury so obtained is about 99.7% pure.

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