1.

Write chemical formulae of the following ores: (a ) Calamine (b ) Haematite (c ) Magnetite (d) Corundum

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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