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?

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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?

NTA AbhyasNTA Abhyas 2022

Solution:

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