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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 lyophobic colloid

B

protective action by a lyophobic colloid on lyophilic colloid

C

number of mg of gold in a standard red gold sol

D

none of the above

Text Solution

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The correct Answer is:
A
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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.

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.

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