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7th Class Science Physical and Chemical Changes Question Bank Physical and Chemical Changes

  • question_answer
    One litre of water at \[25{}^\circ C\] is mixed with one litre of water at \[35{}^\circ C.\] The temperature of the mixture will be:

    A) \[60{}^\circ C\]

    B) \[50{}^\circ C\]

    C) Between \[25{}^\circ C\] and \[35{}^\circ C\]     

    D) More than \[{{35}^{o}}C\]

    E) None of these

    Correct Answer: C

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