Environmental Sciences, asked by kamlutejal, 3 months ago

the permanent hardness of calcium chloride removed By_1.soda 2. lime 3. both soda and lime 4.non of above

Answers

Answered by anitgang2004

1

Permanent hardness can be removed by the addition of washing soda (Na2CO3. 10H2O)

Hope this helps ☺️

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