A-LevelChemistryGroup 29701/12 · Feb/Mar 2016 · Q361 Mark
A sample containing 0.40 mol of calcium nitrate was decomposed by heating in a roaring Bunsen burner flame until there was no further decomposition. What are the products of this reaction? 1 0.40 mol of calcium oxide 2 0.40 mol of nitrogen, N₂(g) 3 0.40 mol of oxygen, O₂(g)
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
✓ Correct answer
D: 1 only is correct
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