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6th Class Science Changes Around us Question Bank Changes Around us

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    DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage - 4 Mohan was boiling water in a pan for making tea. His brother Ram came there and observed that during boiling of water some bubbles are formed. He told his brother Mohan that boiling of water is a chemical change as gas is evolved in this process. But Mohan argued that this is not a chemical change. Do you agree with Mohan? What kind of change is this?

    A) Yes, physical change

    B) No, chemical change

    C) No, irreversible change

    D) No, Periodic change

    Correct Answer: A

    Solution :

        Yes, Mohan is correct. Boiling of water is a physical change. This is because in boiling of water molecules of water remains the same as liquid water changes into water vapour and no new product is formed.


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