The coagulation of `100 mL` of a colloidal solution of gold is completely prevented by the
Channel: Doubtnut
Date: 12/07/2020

The coagulation of `100 mL` of a colloidal solution of gold is completely prevented by the addition of `0.030 g` of it before adding `1 mL` of `10% NaCl` solution. Find out the gold number of starch?