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Carnallite is an ore of...

Carnallite is an ore of

A

K

B

Na

C

Mg

D

(a) and (c)

Text Solution

Verified by Experts

The correct Answer is:
D
Carnallite is `KCl Mg Cl_2. 6H_2 O`
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Give the correct order of initials T or F for following statements. Use T if statement is true and F if it is false. (i) Every mineral is an ore but every ore is not a mineral (ii) Slag is product formed during extraction of metal by combination of flux and impuritites. (iii) Highly pure metals can be obtained by zone refining. (iv) Carnallite is an ore of magnesium and sodium.

Carnallite in sodium of H_2O shows the properties of

MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-COMPETION FILE (Objective Questions) (Multiple Choice Question from competitive examinations)
  1. Electrolytic refining's is ued to purify which of the following metals...

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  2. the common impurities present in bauxite are

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  3. Carnallite is an ore of

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  4. Which of the following is not a mineral of iron?

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  5. The one that is not a carbonate ore is:

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  6. Match the refining methods (Column I) with metals (Column II).

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  7. The correct statement is :

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  8. The pair that does NOT require calcination is :

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  9. The reaction that does NOT define calcination is :

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  10. Match the ores (Column A) with the metals (Column B) :

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  11. in the Hall -Heroult process, aluminium is formed at the athode , ...

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  12. The correct statement is

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  13. Assertion : For the extraction of iron, haematite are is used. Reaso...

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  14. The ore that contains both iron and copper is :

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  15. Hall-Heroult's process is given by :

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  16. Extraction of zinc from zinc blende is achieved by:

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  17. Oxidation states of the metal in the minerals haematite and magnetite ...

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  18. In the cyanide extraction process of silver from argentite ore, the ox...

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  19. Sulphide ores are common for the metals

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  20. Calamine, malachite, magnetite and cryolite, respectively, are

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