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Tardigrade
Question
Chemistry
Water softening by Clarke's process uses
Q. Water softening by Clarke's process uses
1196
260
Hydrogen
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A
calcium bicarbonate
21%
B
sodium bicarbonate
15%
C
potash alum
7%
D
calcium hydroxide.
57%
Solution:
In Clarke's process quick lime is added to hard water which produces
C
a
(
O
H
)
2
which further converts bicarbonates into insoluble carbonates.