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The Sodium hexametaphosphate used in soil suspension may be also called __________

(a) Deflocculating agent

(b) Calgon

(c) Aggregate

(d) None of the mentioned

This question was posed to me by my college professor while I was bunking the class.

My question is from Pipette Method topic in portion Index Properties Determination of Geotechnical Engineering I

1 Answer

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Best answer
Right option is (b) Calgon

The best I can explain: Sodium hexametaphosphate, which is used in preparing soil suspension is also called as calgon.

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