Chemistry - Surface Chemistry Question with Solution | TestHub
ChemistrySurface ChemistryColloids and their ClassificationsMedium2 minQB
ChemistryMediumsingle choice
On addition of 10 ml of solution of to 100 ml of red gold sol in presence of 0.250 g of starch, the coagulation is just prevented. The gold number of starch is
Options:
Answer:
D
Solution:
Gold number = (mass of starch in mg) / (volume of gold sol in mL) = 250 mg / 10 mL = 25.
Stream:JEESubject:ChemistryTopic:Surface ChemistrySubtopic:Colloids and their Classifications
⏱ 2mℹ️ Source: QB
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