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Chemistry
Boiling of hard water is helpful in removing the temporary hardness by converting calcium hydrogen carbonate and magnesium hydrogen carbonate to
Q. Boiling of hard water is helpful in removing the temporary hardness by converting calcium hydrogen carbonate and magnesium hydrogen carbonate to
359
158
JEE Main
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Hydrogen
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A
C
a
C
O
3
and
M
g
(
O
H
)
2
80%
B
C
a
C
O
3
and
M
2
C
O
3
13%
C
C
a
(
O
H
)
2
and
M
g
C
O
3
0%
D
C
a
(
O
H
)
2
and
M
g
(
O
H
)
2
7%
Solution:
M
g
(
H
C
O
3
)
2
Boil
M
g
(
O
H
)
2
+
2
C
O
2
↑
C
a
(
H
C
O
3
)
2
Boil
C
a
C
O
3
+
H
2
O
+
C
O
2
↑