Question
Question: Lyophilic sols are also called reversible colloids because...
Lyophilic sols are also called reversible colloids because
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(a) They can be reformed by mixing residue (dispersed phase)
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(b) They can be easily precipitated from the colloidal system
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(c) Once formed, the dispersion medium and dispersed
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(d) Special reversible reactions are used to prepare them.
Explanation
Solution
(a)
Sol. If the dispersed phase is removed completely from the colloidal system, it can be formed again by mixing dispersion medium with it.