Chemistry - Surface Chemistry Question with Solution | TestHub

ChemistrySurface ChemistryGeneralEasy2 minPYQ_2020
ChemistryEasysingle choice

The gold numbers of a few protective colloids are

(A) Starch = 25

(B) Gelatin = 0.005 - 0.01

(C) Hemoglobin = 0.03

(D) ​Dextrin = 6 - 123.

Which is the best protective colloid ?

Options:

Answer:
B
Solution:

Smaller the gold number, greater will be its protecting power.

Stream:NTA_ABHYASSubject:ChemistryTopic:Surface ChemistrySubtopic:General
2mℹ️ Source: PYQ_2020

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