Chemistry 9701 · AS & A Level · Group 2

Group 2 — practice question

Which row in the table shows the correct comparisons between the solubilities of calcium and barium hydroxide and the thermal stabilities of calcium and barium carbonate?

  • Acalcium hydroxide: higher; barium hydroxide: lower; calcium carbonate: higher; barium carbonate: lower
  • Bcalcium hydroxide: higher; barium hydroxide: lower; calcium carbonate: lower; barium carbonate: higher
  • Ccalcium hydroxide: lower; barium hydroxide: higher; calcium carbonate: higher; barium carbonate: lower
  • Dcalcium hydroxide: lower; barium hydroxide: higher; calcium carbonate: lower; barium carbonate: higher

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