Question

Write about different chemicals processes used for obtaining a metal from its oxide for
1.metals in the middle of the reactivity series
2.metals low in the reactivity series
3.metals towards top of the reactivity series

Answer 1

1. For moderately reactive metals the process of roasting and calcination is used.Ex. Zinc blende(ZnS) and Zinc Carbonate(ZnCO3).
2.The less reactive metals are extracted by reduction of their ores by heat alone.Ex. Cinnabar(HgS).It is the ore of mercury
3. The highly reactive metals are extracted by electrolytic reduction of their molten chlorides or oxides.Ex. Rock salt (NaCl) it the ore of sodium.

Answer 2

Explanation:

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