1.

The protective power of the lyophilic colloids is expressed in terms of gold number a term introduced by Zsigmondy Gold number is the number of milligram 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. Thus, smaller the gold number of lyophilic colloid, the greater is the protective power. Which of the following statement(s) is/are correct

Answer»

Higher the gold number, more to the PROTECTIVE POWER of colloid
Lower the gold number, more the protective power
Higher the COAGULATION value, more the coagulation power
Lower the coagulation value, higher the coagulation power

Answer :B::D


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