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
- A. Y2O
- B. YNO2
- C. Y2O3
- D. Y (NO2)2
Correct Answer: B. YNO2
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