Chemistry 9701 · AS & A Level · Atoms, molecules and stoichiometry

Atoms, molecules and stoichiometry — practice question

Equal masses of barium carbonate and magnesium carbonate powders are combined. The mixture is then heated in a Bunsen burner flame until no further change is seen. A gas is released. Which statements are correct?

  • A1, 2 and 3 are correct
  • B1 and 2 only are correct
  • C2 and 3 only are correct
  • D1 only is correct

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