1.

Assertion (A) : Colloidal solutions show colligative properties. Reason (R) : Colloidal particles are large in size.

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 and reason both are correct but reason does not explain assertion.
Due to large size of colloidal particles, it shows lesser COLLIGATIVE PROPERTIES.


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