Chemistry 9701 · AS & A Level · Group 2

Group 2 — practice question

The table sets out a comparison between calcium and barium, as well as calcium carbonate and barium carbonate. Which row is the correct one?

  • Abarium is more reactive; barium carbonate is more stable
  • Bbarium is more reactive; calcium carbonate is more stable
  • Ccalcium is more reactive; barium carbonate is more stable
  • Dcalcium is more reactive; calcium carbonate is more stable

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