A-LevelChemistryGroup 29701/12 · May/June 2019 · Q151 Mark

How many of the solutions shown, when added to separate portions of magnesium sulfate solution, produce a white precipitate? HCl(aq) NH3(aq) (NH4)2CO3(aq) Ba(NO3)2(aq)

✓ Correct answer

D: 3

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