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प्रश्न
Why is gelatin regarded as an efficient protective colloid?
अति संक्षिप्त उत्तर
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उत्तर
Gelatin is an efficient protective colloid because its lyophilic particles adsorb on lyophobic colloidal particles, forming a protective layer that prevents coagulation by electrolytes, thus stabilising the sol. Its low gold number (0.005-0.01) indicates strong protective power.
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