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Among the metals Cr,Fe,Mn,Ti,Ba, and Mg,...

Among the metals `Cr,Fe,Mn,Ti,Ba`, and `Mg`, the one that cannot be obtained by reduction of metal oxide by aluminium is

A

`Cr`

B

`Fe`

C

`Mn`

D

`Mg`

Text Solution

Verified by Experts

The correct Answer is:
D
`Mg` reacts with `C` to form Magnesium carbide.
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CENGAGE CHEMISTRY ENGLISH-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Single Correcttype)
  1. The ore having two different metal atoms is

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  2. Which of the following statements about the reduction is not true ?

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  3. Among the metals Cr,Fe,Mn,Ti,Ba, and Mg, the one that cannot be obtain...

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  4. By which process and is extracted from zinc blende?

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  5. Which of the following factors is of no significance for roasting sul...

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  6. The incorrect statement among the following is

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  7. Auto-reduction process is used for the extraction of :

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  8. Bauxide ore is made up of Al(2)O(3) + SiO(2) + TiO(2) + Fe(2) O(3). Th...

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  9. Identify the reaction that does not take place in a blast furnace

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  10. Native silver metel froms a water solube, complex with a dilute aqueou...

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  11. When copper pyrites is roasted in excess of air, a mixture of CuO + Fe...

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  12. The incorrect statement is

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  13. Composition of malachite mineral is

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  14. Select the correct statement

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  15. Ellingham diagram represents change of

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  16. To carry out a reduction process, select a temperature so as to make

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

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  18. van Arkel method of purification of metals involves converting the met...

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  19. DeltaG^(@) vsT plot in the Ellingham diagram slopes down for the react...

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  20. Self-reduction of Cu(2)S to Cu can be carried out in.

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