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20 g of an impure sample of calcium carbonate decomposes on heating to give 8.4 g of calcium oxide.What is percentage purity of calcium carbonate sample(at.wt.of Ca=40)a)60 b)75c)85 d)95

Answer» 20 g of an impure sample of calcium carbonate decomposes on heating to give 8.4 g of calcium oxide.What is percentage purity of calcium carbonate sample(at.wt.of Ca=40)
a)60 b)75
c)85 d)95


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