( b. Both temporary and permanent hardness in water can be removed by addition of Washing Soda
give balanced equation
for the same.
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Sodium carbonate, Na2Co3 is also known as washing Soda. It can remove temporary and permanent hardness from water Sodium Carbonate is Soluble but Calcium Carbonate and magnesium carbonate are insoluble. Ca2+(aq) + NaCo3(aq) ----- CuCo3(s) + 2Na+(aq).
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