Gold number of a lyophic sol is such a property that

Gold number of a lyphilic sol is such property that:

Gold number of a lyophilic solution is such property that

Gold number of some lyophilic sols are : Which has maximum protective power :

Gold number of some lyophilic sols are : Which has maximum protective power :

What is gold number? Why are lyophilic sols more stable than lyophobic sols?

Gold number is maximum for the lyophilic sol is

Exactly 8mg of a lyophilic 'sol' is added to 20ml of a gold sol to protect against addition of 2ml of 20% NaCl. What is the gold number of the given sol?

Gold sol not a :

Gold number of starch is 25. How much of it is required to prevent coagulation of 100 ml of gold sol adding 1 ml of 10% NaCl solution?