Biochemical Engineering - Water Treatment - Discussion

Discussion :: Water Treatment - Section 1 (Q.No.7)

7. 

Permanent hard water may be softened by passing it through

[A]. sodium silicate
[B]. sodium bicarbonate
[C]. sodium hexametaphosphate
[D]. sodium phosphate

Answer: Option C

Explanation:

No answer description available for this question.

Yashwant said: (Oct 2, 2018)  
This occur in the Calgon process.

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