1.

In the estimation of sulphur by Cari us method, 0.480 g of an organic compound gives 0.699 g of barium sulphate. The percentage of sulphur in this compound is (Atomic masses : Ba= 137, S =32, O = 16) (a) 20% (b) 15% ( c) 35% (d) 30% (e) 40%

Answer»


ANSWER :A


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