9th Class Science Is Matter Around Us Pure Question Bank Assertion and Reason MCQs - Is Matter Around us Pure

  • question_answer
    Direction: For question given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below
    Assertion Fog is an example of aerosol colloid.
    Reason The dispersion medium is gas and dispersed phase is liquid in fog.

    A) Both A and R are true and R is correct explanation of the A.

    B) Both A and R are true but R is not the correct explanation of the A.

    C) A is true but R is false.

    D) A is false but R is true.

    Correct Answer: A

    Solution :

    [a] Both Assertion and Reason are correct and Reason is the correct explanation of Assertion. Fog is an aerosol colloid because the dispersion medium and dispersed phase and gas and liquid respectively.


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