Chemistry 9701 · AS & A Level · Group 2

Group 2 — practice question

Dolomite is a mineral composed of a blend of magnesium carbonate and calcium carbonate. An aqueous reagent, $X$, was added to a small sample of dolomite. Bubbling was observed and a white solid, $Y$, was produced. What could be the correct identity of reagent $X$ and solid $Y$?

  • Ahydrochloric acid and calcium chloride
  • Bhydrochloric acid and magnesium chloride
  • Csulfuric acid and calcium sulfate
  • Dsulfuric acid and magnesium sulfate

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