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प्रश्न
Name the methods by which concentrated ore is converted to metallic oxide.
एका वाक्यात उत्तर
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उत्तर
Roasting and calcinations
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
Name the methods by which concentrated ore is converted to metallic oxide.
Roasting and calcinations