Name two metals which are found in nature in the free state.

Extraction of Metals Based on Reactivity | PadhAiPro

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TextExtraction of Metals Based on Reactivity

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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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Metals are required for a variety of purposes. For this we need their extraction from their ores. Ores mined from the earth are usually contaminated with many impurities which must be removed prior to the extraction of metals. The extraction of pure metal involves the following steps : (1) Concentration of ore (2) Extraction of the metal from the concentrated ore (3) Refining of the metal

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