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Solids in Liquids

Which of the ...

Question

Which of the following is not a property of hydrophillic sols?

A

A high concentration of dispersed phase can be easily attained

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B

Coagulation is reversible

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C

Viscosity and surface tension are nearly the same as that of water

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D

The charge of the particle depends on the

p H

value of the medium; it may be positive, negative, or even zero

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Solution

The correct option is C Viscosity and surface tension are nearly the same as that of water
Hydrophillic sols have a lower surface tension and higher visocity than that of water.

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