When the trioxonitrate (IV) salt of an alkali metal Y is heated, the formula of…

Chemistry WAEC 1993

When the trioxonitrate (IV) salt of an alkali metal Y is heated, the formula of the residue is

  • Y2O
  • YNO2 checkmark
  • Y2O3
  • Y (NO2)2
  • YO2

The correct answer is: B

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