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  3. 6th Class
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6th Class Science Changes Around us Question Bank Changes Around us

  • question_answer
    DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below Assertion A: The formation of rust is a chemical change. Reason R: For the formation of rust iron must be exposed to air and water.

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

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

    C) A is true but R is false.

    D) A is false but R is true.

    Correct Answer: B

    Solution :

        Since the properties of rust are different from the iron therefore rusting is a chemical change.


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