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Question: Answered & Verified by Expert
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 ?
ChemistrySurface ChemistryJEE Main
Options:
  • A A
  • B B
  • C C
  • D D
Solution:
1784 Upvotes Verified Answer
The correct answer is: B
Smaller the gold number, greater will be its protecting power.

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