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Which of the following, cannot be used as a dispersing agent?

(a) Sodium oxalate

(b) Sodium polyphosphate

(c) Sodium silicate

(d) Sodium oxide

I have been asked this question during an interview.

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

1 Answer

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Best answer
The correct answer is (d) Sodium oxide

Easiest explanation: Sodium oxide cannot be used as a dispersing agent in preparing soil suspension.

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