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The formula of mangano - manganic oxide ...

The formula of mangano - manganic oxide resembles to -

A

pyrolusite

B

braunite

C

hausmanite

D

None of the above

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The correct Answer is:
C
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CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -MCQ (Single Correct Type)
  1. The metal chloride that responds to the chromyl chloride test is -

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  2. Theamount of nickel present in steel, used in the manufacture of pendu...

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  3. The formula of mangano - manganic oxide resembles to -

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  4. The value of magnetic moment is the same for -

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  5. In dichromate ion, the measure of Cr - O - Cr angle is -

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  6. The number of electrons present in the 5f - orbital in the ground stat...

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  7. Gold dissolves in aqua regia to form -

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  8. A chocolate - brown precipitate is obtained when acetic acid and potas...

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  9. The aqueous solutions having the same colour are observed in case of -

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  10. Free silver metal reacts with NaCN and forms a water soluble complex i...

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  11. In alkaline medium, MnO(4)^(-) oxides I^(-) to -

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  12. The d - block elements have coloured ions because of -

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  13. The colour of the solution turns blue when a Cu - plate is dipped in a...

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  14. The oxidation state of I in KIO(4) is the same as that of Mn in -

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  15. The reaction between acidified chromic acid solution and H(2)O(2) give...

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  16. Fe^(2+) can be differentiated from Fe^(3+) with the help of -

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  17. 'Platinum black' is -

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  18. Among the following compounds, which one has no unpaired electrons and...

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  19. The natural state of iron and NO (Fe^(3+) and NO or Fe^(2+) and NO^(+)...

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  20. In a neutral medium, 1 mol of MnO(4)^(2-) ion undergoes disproportiona...

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