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10th Class Science Sample Paper Science Olympiad Model Test Paper-16

  • question_answer
    Which one of the following statements is incorrect about bleaching powder?

    A) The chemical formula of bleaching powder \[CaOC{{l}_{2}}\]

    B) Bleaching powder is prepared by passing chlorine gas over dry slaked lime

    C) Bleaching powder is soluble in cold water

    D) Bleaching powder is a yellow powder which gives strong smell of sulphur

    E) None of these

    Correct Answer: D

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