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Question
Chemistry
Which of the following reaction is an example of calcination process?
Q. Which of the following reaction is an example of calcination process?
4200
216
AIIMS
AIIMS 2010
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A
2
A
g
+
2
H
Cl
+
[
O
]
⟶
2
A
g
Cl
+
H
2
O
B
2
Z
n
+
O
2
⟶
2
Z
n
O
C
2
Z
n
S
+
3
O
2
⟶
2
Z
n
O
+
2
S
O
2
D
M
g
C
O
3
⟶
M
g
O
+
C
O
2
Solution:
The process of conversion of a concentrated ore into its oxide by heating in absence or in limited supply of air is called calcination. It is usually done for hydroxide and carbonate ores.
Thus,
M
g
C
O
3
Δ
M
g
O
+
C
O
2
is an example of calcination process.