GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The metallurgical process in which a metal is obtained in a fused state is called?
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roasting
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smelting
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calcinations
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froth floatation
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Explanation:
Detailed explanation-1: -Smelting is the process in which oxide of metal is heated with reducing agent and flux in blast furnace. Therefore metal is obtained in fused state.
Detailed explanation-2: -The process of extraction of metal in its molten state by any reducing agent in the presence of flux is called smelting.
Detailed explanation-3: -Crushing and grinding the ore. The concentration of ore, is also known as ore enrichment. Metal extraction from concentrated ore. Impure metals are refined or purified.
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