Chemistry 0620 · IGCSE · The characteristic properties of acids and bases

The characteristic properties of acids and bases — practice question

Vinegar has a pH value of $3$. Which of the following statements about vinegar is correct?

  • AIt forms a salt with sulfuric acid.
  • BIt reacts with some metals to form hydrogen gas.
  • CIt reacts with ammonium compounds to give ammonia gas.
  • DIt turns red litmus blue.

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