A semi-circular shaped window has diameter of 63 cm. its perimeter equals to |
|||||||
(a) |
126 cm |
(b) |
162 cm |
(c) |
198 cm |
(d) |
251 cm |
A semi-circular shaped window has diameter of 63 cm. its perimeter equals to |
|||||||
(a) |
126 cm |
(b) |
162 cm |
(c) |
198 cm |
(d) |
251 cm |
In order to oxidise a mixture of one mole of each of FeC2O4, Fe2(C2O4)3, FeSO4 and Fe2(SO4)3 in acidic medium, the number of moles of KMnO4 required is
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