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7th Class Science Related to Competitive Exam Question Bank Self Test-5

  • question_answer
    In the chemical reaction between sodium and chlorine, which one of the following elements is positively charged and called positive ions?

    A)  Sodium

    B)  Chlorine

    C)  Sodium chloride

    D)  All of these

    E)  None of these

    Correct Answer: A

    Solution :


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