Question

Haemoglobin and gold sold are examples of:
(A) positively and negatively charged sols, respectively
(B) positively charged sols
(C) negatively charged sols (D) negatively and positively charged sols, respectively

Answer 1

Answer:

(A) Positively and negatively charged sols respectively

Explanation:

On dissolution, a large number of atoms or smaller molecules of a substance aggregate together to form species having size in the colloidal range (less than 1 nm). The species thus formed are called multimolecular colloids. E.g. Gold sol, sulphur sol.

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