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Zone refining method is used for refinin...

Zone refining method is used for refining

A

Lead

B

Copper

C

Iron

D

Sodium

Text Solution

Verified by Experts

The correct Answer is:
B
Metals like copper, silver, gold etc. are refined by this method.
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Assertion: Zone refining method is used to produce pure metals which are used as semiconductors. Reason: Semiconductors are used in highly pure form.

(i) Explain zone refining method for refining of metals. (ii) Explain the van Arkel method for refining of metals.

Zone refining process is used for the

Van Arkel method is used for the refining of -

Assertion : Zone refining method is very useful for producing semiconductors. Reason : Semiconductors are of high purity.

Zone refining is used for purification of :

ERRORLESS-GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS-NCERT BASED QUESTIONS (Refining of Crude Metal)
  1. Cyanide process is used for the extraction of :

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  2. In the electrolytic refining of a metal, the impure metal is made the

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  3. Zone refining method is used for refining

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  4. Zone refining is used for purification of :

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  5. In order to refine “blister copper” it is melted in a furnace and is s...

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  6. Gold is extracted by hydrometallurgical procees based on its property

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  7. Zone refining is based on the principle that

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  8. One of the following metals forms a volatile compound and this propert...

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  9. Cupellation process is involved in the metallurgy of

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  10. The temperature of the slag zone in the metallurgy of iron using blast...

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  11. Van Arkel method of purification of metals involves converting the met...

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  12. A metal which is refined by poling is

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  13. Van Arkel method of refining zirconium involves

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  14. In the extraction of chlorine by electrolysis of brine.

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  15. Brine is electrolysed by using inert electrodes. The reaction at anode...

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  16. Which method of purification is represented by the following equations...

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  17. The function of fluorspar in the electrolytic reduction of alumnia dis...

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  18. In the commercial electrochemical process for aluminium extraction, th...

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  19. The purification of alumina is called

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  20. Purification of aluminium done by electrolytic refining is known as

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