Q. Gold number is a measure of

सोने का नंबर एक माप है

A
Protective power of lyophilic colloids
लियोफिलिक कोलाइड्स की सुरक्षात्मक शक्ति
B
Size of colloidal particles
कोलाइडल कणों का आकार
C
Charge on colloidal particles
कोलॉइडी कणों पर आवेश
D
Stability of colloids
कोलाइड्स की स्थिरता

Explanation

Gold number indicates the minimum amount of lyophilic colloid needed to prevent coagulation of a lyophobic sol by electrolytes, thus measuring protective power.

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