Althrough Cu and Ag are placed below hyd...

Althrough Cu and Ag are placed below hydrogen in the electrochemical series, they exist in nature as sulphides - explain.

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CHHAYA PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE (SHORT ANSWER-TYPE QUESTIONS)

Discuss the thermodynamic principles of metallurgy.
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Explain why the following reaction, although thermodynamically feasibl...
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Discuss the limitations of Ellingham diagram.
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Name the precious metals in anode mud? Unlike copper, these metals do ...
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The (C,CO) line on the Ellingham diagram slopes downwards. Give reason...
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The (Co, CO(2)) line on the Ellingham diagram slopes upwards. Give rea...
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Write the reactions taking place in different zones in the blast furna...
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In metallurgy, the sulphide ore of copper is partly roasted. Why?
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How can ZnS be separated from a mixture of PbS and ZnS?
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Mention an important use of the thermite process.
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What is the difference between carbon reduction and electrolytic reduc...
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Aluminium reduces Cr(2)O(3) to Cr, but chromium cannot reduce Al(2)O(3...
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What is vapour phase refining ? Explain with an example.
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Give an example of extraction of a metal both by oxidation and reducti...
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CO is a more effective reducing agent than C (coke) below 983K, but C ...
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Althrough Cu and Ag are placed below hydrogen in the electrochemical s...
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Name the metals that are usually extracted by electrolytic reduction. ...
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Though H(2) is a good reducing agent, why is it not used as a reductan...
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Why is the temperature during carbon-reduction of ZnO maintained at 14...
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Cinnabar (HgS) and galena (PbS) are converted into their respective me...
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