washing soda is used to make hard water soft
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Sodium carbonate, Na2 CO3 , is also known asаwashing soda. It can remove temporary and permanent hardness from water. Sodium carbonate is soluble but calcium carbonate and magnesium carbonate are insoluble. The water is softened because it no longer contains dissolved calcium ions and magnesium ions.
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true
Explanation:
Sodium carbonate is a base which is used as washing soda and for softening hard water.
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