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Question
Out of starch and ferric hydroxide sol, which one can easily be coagulated and why?
Short/Brief Note
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Solution
Out of starch and ferric hydroxide sol, which one can easily be coagulated and why? Ans: Ferric hydroxide can be easily coagulated by heating, evaporating medium etc than starch. Ferric hydroxide is a Lyophobic colloid, hence interaction between dispersed phase in dispersion medium a weak. While starch a Lyphilic collide (Liquid loving) so it is stable and does not easily coagulate
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