Select from the following group of these salts which may be dissolved – InterviewSolution

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1.	Select from the following group of these salts which may be dissolved in water to make it hard. (I) Sodium chloride (II) Sodium sulphate (III) Calcium chloride (IV) Calcium sulphate (V) Potassium chloride (VI) Magnesium sulphate
Answer» Select from the following group of these salts which may be dissolved in water to make it hard. (I) Sodium chloride (II) Sodium sulphate (III) Calcium chloride (IV) Calcium sulphate (V) Potassium chloride (VI) Magnesium sulphate

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