The final step for the extraction of copper from copper pyrite in Bessemer converter involves the reaction

The final step for the extraction of copper from copper pyrite in Bessemer converter involves the reaction
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The final step for the extraction of copper from copper pyrite in Bessemer converter involves the reaction A. ` ... D. `2Cu_(2)O+FeSto4Cu+Fe+SO_(2)`
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The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as (A) Cementation process (B) Crucible process (C) Bessemer process (D) Open hearth process

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The variety of pig iron used for manufacture of wrought iron, is (A) Bessemer pig (B) Grey or foundry pig (C) White forge pig (D) Mottled pig

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The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called (A) Cementation process (B) Crucible process (C) Bessemer process (D) Open hearth process

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The steel used for the manufacture of rails, is (A) Bessemer steel (B) Mild steel (C) Cast steel (D) Stainless steel

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Cast steel is manufactured by (A) Cementation process (B) Crucible process (C) Bessemer process (D) Open hearth proce

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