Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Which one of the following reactions is an example for calcination process?
A
2 Ag + 2 HC1 + (O) 
2AgCl + H 2 O
2AgCl + H 2 O
B
2 Zn + O 2 
2 ZnO
2 ZnO
C
2 ZnS + 3 O 2 
2 ZnO + 2 SO 2
2 ZnO + 2 SO 2
D
MgCO 3 
MgO + CO 2
MgO + CO 2
Text Solution
Verified by ExpertsThe correct answer is:
D
MgCO 3 
MgO + CO 2
The process of heating the concentrated ore in the absence of air is known as calcination. The carbonate ore gets decomposed to form oxide of metal on calcination.
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