how does washing soda remove hardness from water

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Solution

Dear Student,
The washing soda is sodium carbonate which is a soluble salt .On adding it to water the magnesium and calcium salts form carbonates which are insoluble and hence get precipitated, therefore it can be used to remove hardness from water

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how does washing soda remove hardness from water

Dear Student, The washing soda is sodium carbonate which is a soluble salt .On adding it to water the magnesium and calcium salts form carbonates which are insoluble and hence get precipitated, therefore it can be used to remove hardness from water

Dear Student,
The washing soda is sodium carbonate which is a soluble salt .On adding it to water the magnesium and calcium salts form carbonates which are insoluble and hence get precipitated, therefore it can be used to remove hardness from water