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Mention the steps carried out for the ex...

Mention the steps carried out for the extraction of zinc from its carbonate ore. Write the chemical reactions involved.

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i.Zinc carbonate is heated strongly in limited supply of air to convert it to oxide. This process is called calcination.
`underset"Zinc oxide"(ZnCO_(3(s))) overset"Heat"to underset"Zinc oxide"(ZnO_((s))) + underset"Carbon dioxide"(CO_2 uarr) `
Zinc oxide is then reduced to zinc by heating it with carbon.
`underset"Zinc oxide"(ZnO_((s))) + underset"Carbon"(C_((s))) overset"Heat"to underset"Zinc"(Zn_((s))) + underset"Carbon monoxide"(CO uarr)`
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TARGET PUBLICATION-METALLURGY-ANSWER THE FOLLOWING
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  2. Give scientific reasons: Carbonate and suphide ores are usualy conv...

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  3. Mention the steps carried out for the extraction of zinc from its carb...

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  4. Distinguish between Calcination and roasting.

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  10. State the difference between highly reactive metals and less reactive ...

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  11. Give two examples of less reactive metals

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  12. What is refining of metals?

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  13. Why do new iron sheets appear shiny?

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  16. Write a note based on the diagram given below.

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  17. Explain the term: Electroplating

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