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Gold number is a measure of the :...

Gold number is a measure of the :

A

Protective action by a lyophilic colloid on a lyophobic colloid

B

Protective action by a lyophobic colloid on a lyophilic colloid

C

Number of mg of gold in a standard red gold sol

D

Stability of gold sol

Text Solution

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The correct Answer is:
A
Properties of ionic solid
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Statement-1:Gold number is the measure of protective powers of different colloids. Statement-2: The smaller the gold number of lyophilic colloid, the smaller is its protective power.

Assertion: Gold number is the measure of protective powers of differents colloids. Reason: The smaller the gold number of lyophilic colloid, the smaller is its protective power.

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