NEET Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Question - Assertion and Reason

  • question_answer
    Assertion            :     Lyophilic colloids are called as reversible sols.
    Reason              :     Lyophilic sols are liquid loving.

    A) If both assertion and reason are true and the reason is the correct explanation of the assertion.

    B) If both assertion and reason are true but reason is not the correct explanation of the assertion.

    C) If assertion is true but reason is false.

    D) If the assertion and reason both are false.

    E) If assertion is false but reason is true.

    Correct Answer: B

    Solution :

    Both assertion and reason are true but reason is not the correct explanation of assertion.                         If the dispersion medium is separated from the dispersed phase, the lyophilic sol can be reconstituted by simply remixing with the dispersion medium. That is why these sols are also called reversible sols.     


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