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Boiling of hard water is helpful in removing the temporary hardness by converting calcium hydrogen carbonate and magnesium hydrogen carbonate to

1. CaCO 3 and Mg(OH) 2
2. CaCO 3 and MgCO 3
3. Ca(OH) 2 and MgCO 3
4. Ca(OH) 2 and Mg(OH) 2

Correct answer: CaCO 3 and Mg(OH) 2

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