When each of the nitrates of Potassium, Magnesium and iron is heated,

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Chemistry JAMB 1978

When each of the nitrates of Potassium, Magnesium and iron is heated,

  • all the nitrates decompose to their oxides
  • the nitrate of magnesium gives the nitrite and oxygen
  • the nitrates of magnesium and iron give the oxides checkmark
  • the nitrate of iron gives the nitrite and oxygen
  • the nitrate of the magnesium is not decomposed

The correct answer is: C

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