In obtaining soft water, the salt of oxy...

In obtaining soft water, the salt of oxy acids of phosphorus used is

A

Chlorapatite

B

Microcosmic salt

C

Calgon

D

Rock phosphate.

Text Solution

Verified by Experts

The correct Answer is:

C

Calgon is sodium hexametaphosphate.
`(NaPO_(3))_(6)` or `Na_(2)[PO_(3))_(6)]`

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