Question

Gold number is a measure of
(A) protective action by a lyophilic colloid on a lyophobic colloid.
(B) protective action by a lyophobic colloid an a lyphilic colloid.
(C) Number of mg of gold in a standard red gold sol.
(D) stability of gold sol.​

Answer 1

Explanation:

A

Gold number is the number of milligrams of the protective colloid which prevent the coagulation of 10 ml of red gold sol. When 1 ml of a 10 percent solution of sodium chloride is added to it.

Answer 2

Answer:

I dont no

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