Class 12 Chemistry General Principles and Processes of Isolation of Elements Occurrence

Easy

When is a mineral referred to as an ore?

A
When the mineral contains expensive metals.
B
When metal can be extracted from it.
C
When the metal can be extracted from it profitably.
D
When metal cannot be extracted from it.

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Occurrence

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