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The protcting power of lyophilic colloid...

The protcting power of lyophilic colloidal solution is expressed in terms of

A

Coagulation value

B

Gold number

C

Critical micelle concentration

D

Oxidation number

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The correct Answer is:
B
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the protective power of the lyophilic colloids es expressed in terms of gold number, a term introduced by Zsigmondy. Gold number is the number of milli - gram of the protective colloid which prevent the coagulation of 10 mLof red gold sol , when 1 mL of a 10 per cent solution of sodium chloride is added to it . thus smaller the gold number of lyophillic colloid, the greater is the protective power. which of the following statement (S) is / are correct?

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