Chemistry 0620 · IGCSE · Oxides

Oxides — practice question

The oxides of two elements, X and Y, are each added separately to water, and the pH of both solutions is measured. oxide tested X: $\text{pH} = 1$ oxide tested Y: $\text{pH} = 13$ Which statement about X and Y is correct?

  • Aoxide is acidic: X; oxide is basic: Y; metal: X; non-metal: Y
  • Boxide is acidic: X; oxide is basic: Y; metal: Y; non-metal: X
  • Coxide is acidic: Y; oxide is basic: X; metal: X; non-metal: Y
  • Doxide is acidic: Y; oxide is basic: X; metal: Y; non-metal: X

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