1.

Assertion (A) : Colloidal solutions do not show Brownian motion. Reason (R) : Brownion motion is responsible for stability of sols.

Answer»

ASSERTION and REASON are CORRECT and reason is correct explanation of assertion. 
Assertion and reason both are correct but reason does not explain assertion.
Assertion is correct but reason is incorrect.
Both assertion and reason are incorrect. 

SOLUTION :Assertion is incorrect but reason is correct.


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