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Unit - 8.2 Water of Crystallisation and Reaction of metals with Water — CHEMISTRY STD 8 — Question

ICSE BoardEnglish MediumSTD 8CHEMISTRYUnit - 8.2 Water of Crystallisation and Reaction of metals with Water1 Mark
Question
Write the correct statements:
Water containing calcium hydrogen carbonate or magnesium hydrogen carbonate is known as permanent hard water.
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Answer

Water containing calcium hydrogen carbonate or magnesium hydrogen carbonate is known as permanent hard water

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