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  3. 8th Class
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8th Class Science Sample Paper Science Olympiad Model Test Paper-12

  • question_answer
    When copper sulphate is dissolved in water:

    A) positively charged copper ions are formed

    B) negatively charged sulphate ions are formed

    C) no ions are formed

    D) Both [a] and [b]

    E) None of these

    Correct Answer: D

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