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in Geotechnical Engineering I by (102k points)
Chemical activity of a clay mineral depends on __________

(a) Electric charge

(b) Surface area

(c) Compactness

(d) Unit mass

This question was posed to me during an interview.

My question comes from Soils Classification in division Classification of Soils of Geotechnical Engineering I

1 Answer

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by (727k points)
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Best answer
The correct choice is (b) Surface area

The explanation: The chemical activity of the clay mineral depends upon the surface area, because of the electrical charge of clay minerals is high per unit mass.

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