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A common metal widely used in the displa...

A common metal widely used in the displacement method to obtain other metals is

A

Cu

B

Fe

C

Zn

D

Ca

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-PRINCIPLES OF METALLURGY-OBJECTIVE EXERCISE-1
  1. in Belgian process for reduction of ZnO to Z reductant is

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  2. The metal that occurs in the native state as well as in the combined f...

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  3. A common metal widely used in the displacement method to obtain other ...

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  4. The metal extracted by leaching with a cyanide is

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  5. The chemical reagent used for leaching of gold and silver ores is

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  6. Name the metal M, which is extracted based on the following equation ...

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  7. Of the following metals that cannot be obtained by electolysis of the ...

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  8. Which of the following process is used in the extractive metallurgy of...

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  9. In the Bayer's process of purification of red hauxite the leaching age...

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  10. Chemical leaching is useful in the concen-tration of

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  11. The electrolytic reduction method for the preparation of aluminium is ...

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  12. During the electrolytic reduction of alumina, the reaction at cathode ...

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  13. Coinage alloy contains copper. The other metal present may be

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  14. Alloy used in making anchors, bolts, chains and wires

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  15. (A) : Cassiterite mineral is concentrated by electromagnetic method ...

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  16. (A) Efficiency of the reverboratary furnace is less (R) The waste...

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  17. (A): In the smelting of copper pyrites in blast furace, Cu(2)S formed ...

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  18. (A): Iron pyrate is used in the extraction of iron releases pollutants...

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  19. (A) Reduction of a metal oxide is easier if the metal formed is in liq...

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  20. (A): Leaching is chemical method used to ore benefication process (R...

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