Which one of following statement(s) is/are not correct in respect of lyophilic sols?

There is a considerable interaction between the dispersed phase and dispersion medium

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These are quite stable and are not easily coagulated

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They need stabilizing agent

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The particles are hydrated

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Solution

The correct option is C They need stabilizing agent
Lyophilic sols are the colloidal sols formed by mixing substances in a suitable dispersion medium. These are quite stable. These are also known as reversible sols. They do not need a stabilizing agent

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