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Which is the chief ore of copper ?...

Which is the chief ore of copper ?

A

Galena

B

Copper pyrites

C

Sphalerite

D

Siderite

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The correct Answer is:
B
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AAKASH SERIES-PRINCIPLES OF METALLURGY-OBJECTIVE EXERCISE-1
  1. Carbon is present in pig Iron as

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  2. Commercially important ore of copper is its

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  3. Which is the chief ore of copper ?

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  4. The matte obtained in the callurgy of copper has the approximate Compo...

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  5. The flux used in the smelting of copper pyrites is

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  6. In the metallurgy of copper blister copper is obtained from

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  7. Blister Cu is about :

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  8. Zinc is obtained on large scale by

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  9. in Belgian process for reduction of ZnO to Z reductant is

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

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

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  12. The metal extracted by leaching with a cyanide is

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

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

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

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

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

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

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

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  20. In the electrolytic reduction of alumina, the anodic product is

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