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Section D (Assertion - Reason)
The following questions consist of two statements. Mark the answer as follows.
(a) If both statements are CORRECT, and Statement II is the CORRECT explanation of Statement I.
(b) If both statements are CORRECT, and Statement II is NOT the CORRECT explanation of Statement I.
(c) If Statement I is CORRECT, but Statement II is INCORRECT.
(d) If Statement I is INCORRECT, but Statement II is CORRECT.

Statement I: A colloid gets coagulated by addition of an electrolyte.

Statement II: The rate of coagulation depends on the magnitude and sign of the charge of the coagulant ion.
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