Class 12 Chemistry General Principles and Processes of Isolation of Elements Roasting and Calcination

Easy

Heating of ore in the presence of air to remove sulphur impurities is called:

A
Calcination
B
Roasting
C
Smelting
D
None of these

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Roasting and Calcination

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