Chemistry 0620 · IGCSE · Oxides

Oxides — practice question

Which three oxides are classified as acidic?

  • A$\text{CaO}, \text{NO}_2, \text{SO}_2$
  • B$\text{CaO}, \text{CO}_2, \text{Na}_2\text{O}$
  • C$\text{CO}_2, \text{NO}_2, \text{SO}_2$
  • D$\text{CO}_2, \text{Na}_2\text{O}, \text{SO}_2$

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