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On igniting Fe(2)O(3) at 1400^(@)C, the ...

On igniting `Fe_(2)O_(3)` at `1400^(@)`C, the product obtained is

A

`Fe_(2)O_(3)` melts

B

FeO

C

`Fe_(3)O_(4)`

D

metallic iron

Text Solution

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The correct Answer is:
D
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FIITJEE-ORES AND METALLURGY-ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL - I
  1. Consider the following steps : CuS overset("roast in air")rarr (A) o...

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  2. Bessemerisation is carried out for I : Fe, II : Cu, III : Al, IV: S...

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  3. On igniting Fe(2)O(3) at 1400^(@)C, the product obtained is

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  4. Consider the following statements : Roasting is carried out to 1. co...

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  5. Carbon cannot be used in the reduction of Al(2)O(3) because

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  6. Ag(2)S + NaCN rarr (A) (A) + Zn rarr (B) (B) is a metal. Hence, (A...

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  7. Refining of silver is done by

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  8. Match the method of concentration of the ore in column I with the ore ...

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  9. Which of the following does not contain Mg ?

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  10. Ag(2)S + NaCN + Zn" "Ag This method of extraction of Ag by com...

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  11. In zone-refining method the motten zone

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  12. Match List I with List II and select the correct answer using the code...

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  13. Formation of metallic copper from the sulphide ore in the normal therm...

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  14. Annealing of steel is the process of heating steel

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  15. Out of AgF, CaF(2), BeF(2), MgF(2)

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  16. Which is used for fixing atmospheric nitrogen

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  17. {:(BaC(2) + N(2) overset(Delta)rarr (A)),(CaC(2) + N(2) overset(Delta)...

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  18. The common name, "cream of tartar" refers to

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  19. A basic refractory material among the following is

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  20. Which of the following mixtures cannot be prepared ?

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