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The ore chromite is....

The ore chromite is___________.

A

`FeCr_2 O_4`

B

`CoCr_2 O_3`

C

`CrFe_2 O_4`

D

`FeCr_2 O_3`

Text Solution

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The correct Answer is:
A
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TARGET PUBLICATION-D AND F-BLOCK ELEMENT -COMPETITIVE THINKING
  1. Which of the following ion has the maximum theoretical magnetic moment...

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  2. Which of the following statements about the interstitial compounds is ...

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  3. The ore chromite is.

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  4. How is sodium chromate converted into sodium dichromate in the manufac...

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  5. Potassium dichromate is a good oxidising agent in acidic medium the...

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  6. Which one of the following statement is correct when SO(2) is passed ...

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  7. The reaction of K2 Cr2 O7 with NaCl and conc. H2 SO4 gives.

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  8. KMnO(4) can be prepared from K(2)MnO(4) as per the reaction 3MnO(4)^...

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  9. Upon heating poatssium permanganate, which of the following compou...

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  10. KMnO(4) in basic medium is reduced to

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  11. The number of moles of KMnO(4) reduced by 1 "mol of" KI in alkaline me...

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  12. When KMnO(4) is reduced with oxalic acid in acidic solution, the oxida...

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  13. The reaction of aqueous KMnO4 with H2 O2 in acidic conditions gives.

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  14. Name the gas that can readily decolourise acidified KMnO(4) solution:

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  15. The colour and magnetic nature of mangante ion (MnO(4)^(2-)) is

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  16. Solution of MnO(4)^(-) is purple-coloured due to :

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  17. Potassium permanganate is used.

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  18. Which of the following is Baeyer's reagent ?

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  19. Lanthanoids are

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  20. The atomic number of Gadolinium (Gd) is 64. The CORRECT electronic con...

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