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Metal oxides and non metal oxides - class-X

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Multiple Choice

The principal products obtained on heating iodine with concentrated caustic soda solution is:

  1. $NaIO\, +\, NaI$
  2. $NaIO\, +\, NaIO _3$
  3. $NaIO _3\, +\, NaI +\ H _2O$
  4. $NaIO _4\, +\, NaI$
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