Question:

Which of the following is the most effective protective colloid on the basis of gold number values?

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Lower gold number indicates higher protective efficiency of colloids.
Updated On: Jun 2, 2025
  • Haemoglobin
  • Potato starch
  • Gelatin
  • Gum arabic
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The Correct Option is C

Solution and Explanation

- Gelatin has the lowest gold number, indicating it is the most effective protective colloid.
- Protective colloids prevent coagulation of sols.
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