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The ore having two different metal atoms...

The ore having two different metal atoms is

A

haematite

B

galena

C

magnetite

D

copper pyrites

Text Solution

Verified by Experts

The correct Answer is:
D
Copper pyrites `(CuFeS_2) `contains Cu and Fe.
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PRADEEP-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -COMPETITION FOCUS (JEE(Main and Advanced)/MEDICAL ENTRANCE SPECIAL) MULTIPLE CHOICE QUESTIONS (I)
  1. Which ore of the following is a mineral of iron ?

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  2. The ore having two different metal atoms is

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

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  4. In which of the following minerals, Aluminium is not present ?

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  5. Sulphide ores are common for the metals

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  6. 'Metals are usually not found as nitrates in their ores''. Out of the ...

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  7. In the froth flotation process for benefication of ore, the ore partic...

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  8. The function of potassium ethyl xanthate in frotht floatatation proces...

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  9. NaCN is sometimes added in the froth flotation process as a depressant...

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  10. Which one of the following ores is best concentrated by froth floatati...

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  11. Sphalerite is concentrated by

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  12. Bauxite ore is made up of Al(2)O3 + SiO2 + TiO2 + Fe(2)O3 . This ore ...

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  13. In the leaching of Ag(2)S with NaCN, a stream air is also passed. It i...

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  14. The complex formed when Al(2)O(3) is leached from bauxite using concen...

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  15. Sulphide ores of metals are usually concentrated by both floatation pr...

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  16. In the equatio, 4M + 8 CN^(-) + 2 H2O + O2 to 4 [M(CN)2]^(-) ...

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  17. In the cyanide extraction process of silver from argentite ore, the ox...

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  18. Which one of the following reactions is an example for calcination pro...

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  19. When limestone is heated CO(2) gas is liberated. In metallurgy, this p...

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  20. Which of the following faction is of no significance for roasting sul...

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