Chemistry 5070 · O Level · The characteristic properties of acids and bases

The characteristic properties of acids and bases — practice question

Which of the following statements about acids and bases is correct?

  • AAll strong acids react with carbonates but all weak acids do not.
  • BThe oxides of Group I metals are amphoteric.
  • CThe pH of $1.0\,\text{mol dm}^{-3}$ ethanoic acid, $\text{CH}_3\text{COOH}$, is higher than the pH of $1.0\,\text{mol dm}^{-3}$ sulfuric acid, $\text{H}_2\text{SO}_4$.
  • DThe pH of $1.0\,\text{mol dm}^{-3}$ nitric acid, $\text{HNO}_3$, is lower than the pH of $1.0\,\text{mol dm}^{-3}$ hydrochloric acid, $\text{HCl}$.

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