Hard water could contain

calcium chloride

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calcium carbonate

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calcium sulphate

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calcium bicarbonate

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Solution

The correct options are
A calcium chloride
C calcium sulphate
D calcium bicarbonate
Hard water could contain any of the following compounds:

calcium chloride

calcium sulphate

calcium bicarbonate

magnesium chloride

magnesium sulphate

magnesium bicarbonate

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Similar questions

C a C O_{3}

162 g m o l^{- 1}

146 g m o l^{- 1}

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