A-LevelChemistryGroup 29701/12 · Oct/Nov 2018 · Q141 Mark

A 4.00 g sample of an anhydrous Group 2 metal nitrate is heated strongly until there is no further change. A solid residue of mass 1.37 g is formed. Which metal is present?

Abarium

Bcalcium

Cmagnesium

Dstrontium

✓ Correct answer

B: calcium

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