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Chemistry
Water softening by Clark's process uses
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Q. Water softening by Clark's process uses
KCET
KCET 2015
Hydrogen
A
$CaHCO_3$
12%
B
$NaHCO_3$
11%
C
$Na_2CO_3$
11%
D
$Ca(OH)_2$
66%
Solution:
Clark's process which is a process water to soften hard wester uses $Ca ( OH )_2$ Calcium hydroxide to remove hardness of Temporary hardness is due bicarbonates of magnesium and calcium. They react with calcium hydroxide