JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Lyophobic colloids are:

(A)Reversible colloids
(B)Irreversible colloidsCorrect
(C)Protective colloids
(D)Gum, proteins

Answer: (B)

Solution

Lyophobic sols, once coagulated/precipitated, generally cannot be brought back into the sol state simply by mixing with the dispersion medium — they are

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Question ID VK-145142