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On the basis of the Ellingham diagram plotted for the formation of metal oxide from metal and one mole of oxygen, which of the following is/are correct.

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Important Questions on General Principles and Processes of Isolation of Metals (Metallurgy)

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-2>Q 41
Complexes formed in the cyanide process are:
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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-2>Q 43
Which of the following process(es) occur(s) during the extraction of copper from chalcopyrites?
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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-2>Q 45
Which of the following statement(s) is (are) incorrect ?
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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-2>Q 47

Liquation process may be applied for the purification of:

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-2>Q 51
The metal ores $[X]$ and $[Y]$ are respectively:
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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-2>Q 52
Which of the following statements is correct about $[Y] ?$
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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-2>Q 55

To make the following reduction process spontaneous, temperature should be:

ZnO+C⟶Zn+CO

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-2>Q 56
Which of the following statement is true?