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

Easy

In the process of calcination,the ore is heated in.......

A
Inert gas
B
Presence of air
C
Absence of air
D
Presence of $CaO$ and $MgO$

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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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