Van Arkel method of purification of metals involves converting the metal to :

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-4>Q 22

Copper and tin are refined by:

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-4>Q 23

The process of zone refining is used for:

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-4>Q 24

Tin and zinc can be refined by:

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-4>Q 29

The iron obtained from the blast furnace is called:

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-4>Q 30

The extraction of zinc from zinc blende involves:

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-4>Q 31

Carbon cannot be used in the reduction of ${\mathrm{Al}}_2{\mathrm{O}}_3$ because:

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-4>Q 32

Which of the following metal is extracted by the thermal reduction process?

 

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Alpha Question Bank for Engineering: Chemistry>Chapter 18 - General Principles and Processes of Isolation of Metals (Metallurgy)>Exercise-4>Q 35

High purity germanium is obtained by a technique that is based on: