Home Chemistry General Principles and Processes of Isolation of Elements ( Not In Syllabus ) JEE Main 2021 Sulphide ion is soft base and its ores are c…
Chemistry General Principles and Processes of Isolation of Elements ( Not In Syllabus ) JEE Main 2021 Single Correct MCQ
Published on: August 12, 2026

Sulphide ion is soft base and its ores are common for metals.

A
Pb and and and
B
Al only
C
Ag only and
D
Mg Choose the correct answer from the options given below: only only

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The correct answer is:
A

Pb and Ag commonly exist in the form of sulphide ore like PbS (galena) and (Argentite) 'Al' is mainly found in the form of oxide ore whereas 'Mg' is found in the form of halide ore.

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