Question
Chemistry Question on Surface Chemistry
Gold number indicates
A
protective action of lyophilic colloid
B
charge on gold sol
C
protective action of lyophobic colloid
D
quantity of gold dissolved in a given sol
Answer
protective action of lyophilic colloid
Explanation
Solution
Gold number is the measure of protective power of lyophilic colloid. [Higher the value of gold number, lower will be the protective power]