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Which ore contains both iron and copper?...

Which ore contains both iron and copper?

A

Cuprite

B

Chalcocite

C

Chalcopyrite

D

Malachite

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The correct Answer is:
C
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The ore that contains both iron and copper is:

Two solid spheres of same size, of one iron and other of copper, are suspended by strings and submaerged in a beaker containing a certain liquid (the density of liquid is less than that of both iron and copper). If the density of copper is greater than that of iron, which of the following statements are true? (a) The upthrust on copper sphere is greater than that on the iron sphere. Upthrust is equal on both spheres. (c) Tension in the string supporting copper sphere is greater than that in the string supporting iron sphere. (d) Tension in both the strings is equal.

Which one of the following contains copper besides iron ?

Which of the following are contains copper and iron ?

Which of the following ore do not contain iron (do not consider any impurity in ore)?

Which of the following is not an iron ore ?

ALLEN-METALLURGY-EXERCISE-05 [B]
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  2. Which of the following process is used in the extractive metallurgy of...

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  3. In the process of extraction of gold, Roasted gold ore +CN^(-)+H2Oov...

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  4. The method chiefly used for the extraction of lead and tin from there ...

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  5. Which ore contains both iron and copper?

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  6. A(1) and A(2) are two ores of metal M.A(1) on calcination gives a blac...

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  7. Match the column :

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  8. Extraction of iron from zine blende is achieved by

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  9. Match the column:

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  10. Native silver metel froms a water solube, complesx with a dilute aqueo...

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  11. Copper is the most noble of first row transition metals and occurs in ...

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  12. Copper is the most noble of first row transition metals and occurs in ...

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  13. Copper is the most noble of first row transition metals and occurs in ...

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  14. Extraction of metal from the ore cassiterite involves

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  15. Oxidation states of the metal in the minerals haematite and magnetite,...

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  16. Ibn the cyanide extraction process of silver form aragetite are ,oxidi...

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  17. Sulfide ores are common for the metals.

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  18. The carbon-based reduction method is NOT used for the extraction of

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  19. Upon hetaing with Cu(2)S the regants that give copper metel are (i)...

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  20. Extraction of copper from copper pyrite (CuFeS(2)) involves

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