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12th Class Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank 12th CBSE Chemistry The d-and f-Block Elements

  • question_answer
      How is potassium permanganate prepared in laboratory

    Answer:

                      In laboratory a manganese (II) ion salt is oxidised by peroxodisulphate to permanganate.                


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