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प्रश्न
Temporary hardness of water can be removed by
विकल्प
Addition of potassium permagenate
Boiling
Filtration
Addition of chlorine
MCQ
उत्तर
Boiling
Explanation:
Water's transient hardness can be eliminated by boiling
\[\ce{Ca(HCO3)2 ->[Boil] \underset{(insoluble)}{CaCO3} + H2O + CO2}\]
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Removal of Hardness of Water
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