A) 0.025
B) 0.25
C) 0.5
D) 250
Correct Answer: D
Solution :
By definition gold number of starch is the amount of starch in mg added to 10 ml standard gold sol which prevents the coagulation of gold on adding 1 ml of 10% NaCl solution. So the amount of starch is 0.25g = 250 mg. Hence gold number is 250.You need to login to perform this action.
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