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Common impurities present in bauxite are...

Common impurities present in bauxite are

A

CuO

B

ZnO

C

`Fe_(2)O_3`

D

`SiO_2`

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The correct Answer is:
C, D
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Knowledge Check

  • Common impurities present is Bauxite are :

    A
    `CuO`
    B
    `ZnO`
    C
    `Fe_2O_3`
    D
    None of these

  • The common impurities in bauxite are (i) Fe_(2)O_(3) (ii) SiO_(2) (iii) CuO (iv) ZnO

    A
    `1, 3`
    B
    `2 ,3`
    C
    `1 ,2`
    D
    `2 ,4`

  • Rocy impurities present in a mineral are called

    A
    flux
    B
    gangue
    C
    matte
    D
    slag
    • DINESH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-SELECTED STRAIGHT OBJECTIVE TYPE MCQS
    1. Common impurities present in bauxite are

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

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    3. Which of the following metal/metals can be used for the extraction of ...

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    4. Hydrogen is used as a reducing agent in the extraction of

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    5. In nature , metals are found in the

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    6. In nature, non metals are found in the

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    7. Leaching is used for the concentration of

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    8. Pick out the correct statements

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    9. Of the following that cannot be obtained by electrolysis of the aqueou...

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    10. The element which exists in the liquid state at room tempertaure are

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    11. The major role of fluorpar (CaF2 ) which added in small quantities in ...

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    12. Which of the following oxides is/are amphoteric ?

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    13. Extraction of metal from the ore cassiterite involves

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    14. The carbon-based reduction method is not used in the extraction of

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    15. In the metallurgical processes, aluminium acts as

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    16. Hydrogen will not reduce

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    17. Froth floatation process may be used to increase the concentration of ...

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    18. In which of the following mineral aluminium is not present ?

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    19. An important ore of magensium is

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    20. Among the following statements the incoorect one is

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