Calcium hydroxide is used to remove temporary hardness of water.

True

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False

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Solution

The correct option is A True
Calcium hydroxide is a white amorphous solid obtained by adding water to lime.Calcium hydroxide is used to remove temporary hardness of water. It is also called slaked lime.The formula of calcium hydroxide is $C a (O H)_{2}$ .

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Which of the following can be used to remove temporary hardness of water?

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