Which metal is extracted by electrolytic reduction of its molten ore?

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MCQ (Single)Extraction of Metals Based on ReactivityExtraction of Metals High in Activity SeriesCBSE PYQ

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The metals obtained from their molten chlorides by the process of electrolytic reduction are :

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"Displacement reactions also play a key role in extracting metals in the middle of the reactivity series." Justify this statement with two examples.

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Assertion (A) : The extraction of metals from their sulphide ores cannot take place without roasting of the ore. Reason (R) : Roasting converts sulphide ores directly into metals.

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Name the chemical reaction that occurs between iron (III) oxide and aluminium metal. Write its balanced chemical equation. Why is this reaction called displacement reaction ? Give one use of this reaction.

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A student is working in a laboratory with metal 'E' which is stored under kerosene oil. Some how a small piece of this metal falls in a beaker containing water and starts burning.

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