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Question
Chemistry
The products obtained during treatment of hard water using Clark's method are:
Q. The products obtained during treatment of hard water using Clark's method are:
103
1
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The s-Block Elements
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A
C
a
C
O
3
and
M
g
C
O
3
B
C
a
(
O
H
)
2
and
M
g
(
O
H
)
2
C
C
a
C
O
3
and
M
g
(
O
H
)
2
D
C
a
(
O
H
)
2
and
M
g
C
O
3
Solution:
Sol. In Clark's method lime water is used
C
a
(
H
C
O
3
)
2
+
2
C
a
(
O
H
)
2
→
2
C
a
C
O
3
+
2
H
2
O
M
g
(
H
C
O
3
)
2
+
2
C
a
(
O
H
)
2
→
2
C
a
C
O
3
+
M
g
(
O
H
)
2
+
2
H
2
O