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There are three substances A, B and C with coagulation values as 5, 2.1, and 0.06 for a metal sol respectively. Find out the ratio of their coagulating powers.

There are three substances A, B and C with coagulation values as 5, 2.1, and 0.06 for a metal sol respectively. Find out the ratio of their coagulating powers. Correct Answer 0.2 : 0.476 : 16.666

The flocculating power is inversely proportional to the coagulation value. Now according to the question, A, B, C have coagulation values as 5, 2.1 and 0.06 for a metal sol respectively. We know, Flocculation power ∝ (1/coagulation value) A ∝ (1/5) = 0.2; B ∝ (1/2.1) = 0.476; C ∝ (1/0.06) = 16.666 Hence, A : B : C = 0.2 : 0.476 : 16.666.

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