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Write chemical formulae of the following ores: (a ) Calamine (b ) Haematite (c ) Magnetite (d) Corundum |
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Answer» (a) Calamine - `ZnCO_(3)` (b) Haematite - `Fe_(2)O_(3)` (c ) Magnetite - `Fe_(3)O_(4)` (d ) Corundum - `Al_(2)O_(3)` |
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