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Tardigrade
Question
Chemistry
The temporary hardness of water due to calcium bicarbonate can be removed by adding
Q. The temporary hardness of water due to calcium bicarbonate can be removed by adding
1851
195
Hydrogen
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A
C
a
C
O
3
15%
B
C
a
C
l
2
9%
C
H
Cl
5%
D
C
a
(
O
H
)
2
70%
Solution:
C
a
(
H
C
O
3
)
2
+
C
a
(
O
H
)
2
→
(Insoluble)
2
C
a
C
O
3
+
2
H
2
O