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The compound which gives off oxygen on m...

The compound which gives off oxygen on moderate heating is :

A

Cupric oxide

B

Mercuric oxide

C

Zinc oxide

D

Aluminium oxide.

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The correct Answer is:
B
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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. Passivity of iron is due to the formation of a thin layer of :

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  2. Two fo the constituents of German silver are :

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  3. The compound which gives off oxygen on moderate heating is :

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  4. Nessler's reagent is :

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  5. The black oxide of copper (CuO) in attacked by moisture and carbon dio...

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  6. FeCl(3) has each of the following characteristics except :

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  7. Thomas slag is :

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  8. Blister copper is :

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

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  10. Which of the following ions exist as dimer ?

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

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

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

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

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

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  16. The principal oxidation state of lanthanides is :

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  17. The lanthanoid contraction refers to :

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  18. Which of the following is not correct ?

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  19. Which of the following ions is paramagnetic ?

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

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