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10th Class Science Sample Paper Science Olympiad Model Test Paper-19

  • question_answer
    When electricity is passed through a concentrated solution of sodium chloride, it decomposes to form:

    A) Sodium hydroxide, oxygen and water

    B) Sodium oxide, chlorine and water

    C)  Sodium hydroxide, chlorine and hydrogen chloride

    D)  Sodium carbonate, chlorine and water

    E)  None of these

    Correct Answer: E

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