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InterviewSolution
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In the neighbourhood of your school, hard water required for an experiment is not available. Select from the following groups of salts available in your school, a group each member of which, if dissolved in distilled water will make it hard : (a) Sodium chloride, calcium chloride (b) Potassium chloride, sodium chloride (c) Sodium chloride, magnesium chloride (d) Calcium chloride, magnesium chloride |
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Answer» In the neighbourhood of your school, hard water required for an experiment is not available. Select from the following groups of salts available in your school, a group each member of which, if dissolved in distilled water will make it hard : (a) Sodium chloride, calcium chloride (b) Potassium chloride, sodium chloride (c) Sodium chloride, magnesium chloride (d) Calcium chloride, magnesium chloride |
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