Question

washing soda can be used to remove both temporary and permanent hardness of water in winter. why is it so?​

Answer 1

Answer:

Washing Soda can remove temporary and permanent hardness from water. Sodium carbonate is soluble but calcium carbonate and magnesium carbonate are insoluble. During winter the water is softened because it no longer contains dissolved calcium ions and magnesium ions. It will form lather more easily with soap

Answer 2

Answer:

Washing Soda 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. It will form lather more easily with soap.