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प्रश्न
What is the process in which concentrated ore is reduced to the corresponding metal by heating at high temperature with a reducing agent?
(a) Polling
(b) Pyrometallurgy
(c) Hydrometallurgy
(d) Calcination
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उत्तर
(B) Pyrometallurgy
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संबंधित प्रश्न
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Explain calcination with reactions.
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