On addition of 1 ml of solution of 10% NaCl to 100ml corporate gold so – InterviewSolution

1.	On addition of 1 ml of solution of 10% NaCl to 100ml corporate gold sol in presence of 0.25g of starch, the coagulation is just prevented. The gold number of starch is
Answer» `0.025` `0.25` 2.5 25 Answer :D

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