temporary hardness of water may be removed by adding
a. calcium chloride
b. calcium carbonate
c. calcium hydroxide
d. calcium bicarbonate
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Answer:
Temporary hardness of water can be removed using Clark's method by adding Ca(OH)2. In Clark's process, slaked lime Ca(OH)2 is added to temporary hard water. Insoluble calcium carbonate precipitates out and thus, temporary hardness is removed.
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calcium carbonate
Explanation:
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