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JEE CHEMISTRY MCQ: SURFACE CHEMISTRY
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Gold number :
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Correct option: A
May be defined as the milligram of the dry material of which the hydrophilic sol is prepared and which when added to 10 mL of red gold sol, will prevent it from coagulation on the addition of 1 mL of 10 per cent sodium chloride solution
Option A (May be defined as the milligram of the dry material of which the hydrophilic sol is prepared and which when added to 10 mL of red gold sol, will prevent it from coagulation on the addition of 1 mL of 10 per cent sodium chloride solution) is correct because it accurately describes the definition of gold number.
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