Question

explain the terms hard water and soft water
Ion exchange method
calgon method​

Answer 1

Answer:

The addition of Calgon to hard water causes the calcium and magnesium ions of hard water to displace sodium ions from the anion of Calgon. This results in the removal of calcium and magnesium ions from hard water in the form of a complex with Calgon. The water is softened and sodium ions are released into water.

Answer 2

Answer:@PRANJAL

Explanation:

i will explain it to u in an easy manner

u may take washing power with it if foam will be made in a large quantity then its soft water and if its hard water then it will not make foam and require a process to make it soft

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@PRANJAL