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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. What kind of change takes place after formation of tea?

    A) Physical change          

    B) Chemical change

    C) Reversible change       

    D) Both  and

    Correct Answer: B

    Solution :

        Formation of tea is chemical change as this results in formation of new product that has different molecules than initial substance i.e., water.


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