the protective power of the lyophilic colloids es expressed in terms of gold number, a term introduced by Zsigmondy. Gold number is the number of milli - gram of the protective colloid which prevent the coagulation of 10 mLof red gold sol , when 1 mL of a 10 per cent solution of sodium chloride is added to it . thus smaller the gold number of lyophillic colloid, the greater is the protective power. gold number given an indication ofA. protective nature of colloidsB. purity of gold in suspensionC. the charge on a colloidal soultion of goldD. gram of gold per litre of soultion

the protective power of the lyophilic colloids es expressed in terms o

1.	the protective power of the lyophilic colloids es expressed in terms of gold number, a term introduced by Zsigmondy. Gold number is the number of milli - gram of the protective colloid which prevent the coagulation of 10 mLof red gold sol , when 1 mL of a 10 per cent solution of sodium chloride is added to it . thus smaller the gold number of lyophillic colloid, the greater is the protective power. gold number given an indication ofA. protective nature of colloidsB. purity of gold in suspensionC. the charge on a colloidal soultion of goldD. gram of gold per litre of soultion
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