February/March 2026 Paper 12

2026 · 40 questions · 40 parts · 40 marks

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19Group 1 Group 2 MetalsMedium1 mark
This question is about the hydroxides and carbonates of magnesium and barium. Which row is correct?
the more soluble hydroxidethe carbonate with the greater thermal stability
ABa(OH)BaCO
BMg(OH)BaCO
CBa(OH)MgCO
DMg(OH)MgCO