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Copper can be extracted by hydrometallur...

Copper can be extracted by hydrometallurgy but not zinc. Explain.

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Copper is less reactive.than hydrogen, therefore, it can be extracted by hydrometallurgy, whereas Z n-cannot be extracted by hydrometalluigy because zinc-is more reactive thạn hydrogen.
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Copper can be extracted from

What is hydrometallurgy?

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Assertion : Hydrometallurgy involves dissolving the ore in a suitable reagent followed by precipitation by a more electropositive metal. Reason : Copper is extracted by hydrometallurgy from low grade ore.

The statement that is NOT correct is that (1) A furnace lined with haematite is used to convert cast iron to wrought iron. (2) Collectors enhance the wettability of mineral particles during froth floatation. (3) In vapour phase refining, metal should form a volatile compound. (4) Copper from its low-grade ores is extracted by hydrometallurgy.

Which of the following metal can be extracted by hydrometallurgy?

Aluminium is extracted by

V PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. Metallrgical process can be explained in terms of thermodynamic princi...

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  2. Is it ture under certain conditions Mg can reduce Al2O3 and Al can red...

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  3. Copper can be extracted by hydrometallurgy but not zinc. Explain.

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  4. What is the role of depressant in froth floatation process?

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  5. Why is the extraction of coppper from pyrites more difficult than that...

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  6. Explain: i) Zone refining ii)Column chromatography

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  7. Out of C and CO, which is a better reducing agent at 673K?

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  8. Name the common elements present in the anode mud in electrolytic refi...

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  9. Write down the reactions taking place in different zones in the blast...

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  10. Write chemical reactions taking place in the extraction of zinc from z...

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  11. State the role of silica in the metallugy of copper.

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  12. What is meant by the term,' Chromatography' ?

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  13. What criterion is followed for the selection of the stationary phase i...

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  14. Describe a method for refining nickel.

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  15. How can you separate alumina from silica in a bauxite ore associated w...

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  16. Giving examples, differentiate between 'roasting' and 'calcination'.

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  17. How is 'cast iron ' different from 'pig iron'?

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  18. All ores are minerals, but all minerals are not ores. Why?

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  19. Why copper matte is put in silica lined converter?

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  20. Alumina is mixed with cryolite and subjected to electrolysis to extrac...

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