A) 2.5
B) 25
C) 0.25
D) 0.025
Correct Answer: B
Solution :
Gold Number is the minimum amount of lyophiliccolloide in miligrams (starch in given case) which prevents the flocculation of 10 ml gold sol by the addition of 1ml of 10% NaCI solution. \[\therefore \]Gold number = miligram of starch \[=0.025\times {{10}^{3}}mg\] = 25You need to login to perform this action.
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