1. Tardigrade
  2. Question
  3. Chemistry
  4. 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 ?

Q. 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 ?

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Solution:

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