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In extraction of metal how many of the following ores calcination process is involved . (i) Dolomite (ii) Malachite (iii) Calcite (iv) Copper pyrities

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In extraction of metal how many of the following ores calcination process is involved .
(i) Dolomite (ii) Malachite
(iii) Calcite (iv) Copper pyrities
(v) Sylcine (vi) Cryolite
(vii) Siderite (viii) Iron pyrite (ix) Ar gentite
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