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Which of the following is a true solution?

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in Chemistry – Class 12 by (188k points)
Which of the following is a true solution?

(a) Salt solution

(b) Ink

(c) Blood

(d) Starch solution

This question was addressed to me in an online quiz.

This is a very interesting question from Types of Solutions in division Solutions of Chemistry – Class 12

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Best answer
Correct answer is (a) Salt solution

The explanation is: A true solution is a homogeneous mixture of two or more materials with a particle size of less than 10^-9 m or 1 nm dissolved in the solvent. Ink, blood and starch solution are colloidal solutions. A simple solution of salt in water is a true solution.

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