Temperature of hardness of water is due to the presence of calcium carbonate.
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Temporary hardness is due to the presence of calcium hydrogencarbonate Ca(HCO3)2(aq) and magnesium hydrogencarbonate Mg(HCO3)2(aq).
Both calcium hydrogencarbonate and magnesium hydrogencarbonate decompose when heated. The original insoluble carbonate is reformed. This happens when water is boiled.
Both calcium hydrogencarbonate and magnesium hydrogencarbonate decompose when heated. The original insoluble carbonate is reformed. This happens when water is boiled.
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1st of all it is temporary not temperature.....and the sentence is false as temporary hardness is caused due to bicarbonate salts of sulphur, magnesium and calcium
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