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Which ore of the following is a mineral ...

Which ore of the following is a mineral of iron ?

A

Pyrolusite

B

Magnetite

C

Malachite

D

Cassiterite

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The correct Answer is:
B
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AAKASH INSTITUTE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Assignment (Section-C) Previous Years Question
  1. In the extraction of copper from its sulphide ore, the metal finally o...

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  2. Identify the alloy containing a non metal as a constituent in it

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  3. Which ore of the following is a mineral of iron ?

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  4. Which of the following pairs of metals uis purified by van arkel meth...

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  5. which of the following electronts is present as the impurity to the m...

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  6. The following reactions take place in the blast furnace in the prepara...

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  7. Match the following

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  8. Which of the following statements, about the advantage of roasting of ...

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  9. Sulphide ores of metals are usually concentrated by forth floation pro...

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  10. The mass of carbon anode consumed (giving only carbon dioxide) in the ...

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  11. In which of the following processes, fused sodium hydroxide is electro...

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  12. Which of the following does not contain aluminium?

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  13. Which of the following does not contain Mg?

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  14. Carborundum is a

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  15. In the basic Bessemer process for the manufacture of steel, the lining...

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  16. Mond's process is used for

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  17. Which method of purification is represented by the following equations...

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  18. Which of the following sulphides when heated strongly in air gives the...

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  19. The most important ore of tin is

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  20. Heating of ore in presence of air to remove sulphure impurities is cal...

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