6th Class Science Separation and Substances Question Bank Separation of Substances

  • question_answer A glass filled with ice cubes is kept on a table. After sometime water drops were observed sticking to the outside of the glass. Which of these sentences is TRUE of this phenomenon?
    (i) This phenomenon is known as condensation.
    (ii) This proves that water vapour is present in air.
    (iii) This is also observed when a hot object is cooled in the open.

    A)  Only (i) and (ii)

    B)  Only (ii) and (iii)

    C)  Only (i) and (iii)

    D)  (i), (ii) and (iii)

    Correct Answer: A

    Solution :

    Statements (i) and (ii) are true of the given phenomenon.


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