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Iron is obtained on a large scale by re...

Iron is obtained on a large scale by reduction of `Fe_(2)O_3` with :

A

CO

B

Al

C

`H_(2)`

D

Na

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The correct Answer is:
A
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MODERN PUBLICATION-CHEMISTRY OF D-AND F-BLOCK ELEMENTS-Multiple Choice Questions (Level -I) Transition metal compounds and their Characteristics
  1. Thomas slag is :

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  2. Blister copper is :

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  3. Iron is obtained on a large scale by reduction of Fe(2)O3 with :

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  4. Which of the following ions exist as dimer ?

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  5. Kl and CuSO(4) solutions when mixed give :

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  6. Ammonium dichromate is used in fireworks. The green coloured blown in ...

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  7. The number of moles of KMnO4 that will be needed to react with one mol...

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  8. Silica is added to roasted copper ore during smelting in order to remo...

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  9. Iron is rendered passive when treated with conc. :

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  10. The principal oxidation state of lanthanides is :

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  11. The lanthanoid contraction refers to :

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  12. Which of the following is not correct ?

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  13. Which of the following ions is paramagnetic ?

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  14. The separation of landthanoids in ion exchange method is based on :

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  15. which of the following has the smallest ionic radius ?

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  16. Zr and Hf have almost identical atomic radii. Give reason.

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  17. The colour of lanthoanoids and actinoids is due to :

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  18. Which of the following has tendency to act as an oxidising agent ?

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  19. Which of the following pairs has almost same colours ?

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  20. Which of the following good oxidising agent ?

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