Question

Explain with equation, what is noticed when permanent hard water is treated with (a) slaked lime (b) washing soda

Answer 1

Answer:

Calcium bicarbonate (Ca(HCO3)2

Explanation:

This is the answer

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Answer 2

Answer:when permanent hard water is treated with washing soda it forms calcium carbonate and sodium sulphate

CASO4+NA2CO3→CACO3+NA2SO4

Explanation: