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On heating ZnCl(2).2H(2)O, the compounds...

On heating `ZnCl_(2).2H_(2)O`, the compounds obtained is

A

`ZnCl_(2)`

B

`Zn(OH)_(2)`

C

`ZnO`

D

`ZnH_(2)`

Text Solution

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The correct Answer is:
B, C
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VK JAISWAL-d-BLOCK ELEMENTS-Level 1
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  2. An oxide of copper which is red in colour has the formula:

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  3. In a transition series, as the atomic number increase paramagnetism:

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  4. The formula of azurite is:

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  5. Oxide of metal cation which is not amphoteric?

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  6. The most abundant transition metal in earth crust is :

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  7. CuSO(4) solution +lime is called:

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  8. Preparation of looking mirrors involves the use of :

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  9. When ammonia is added to cupric salt solution, the deep blue colour is...

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  10. Philosopher's wool when heated with BaO at 100^(@)C gives the compound...

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  11. The electron which take part in order to exhibit variable oxidation st...

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  12. On heating ZnCl(2).2H(2)O, the compounds obtained is

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  13. During estimation of oxalic acid Vs KMnO(4) self indicator is :

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  14. Iron is rendered passive by treatment with:

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  15. When KMnO(4) solution is added to hot oxalic acid solution, the decolo...

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  16. Gold dissolves in a aqua-regia forming:

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  17. The solubility of silver bromide in hypo solution is due to the format...

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  18. Metal used for making joints in jewellery is:

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  19. Zn and Cd metals do not show variable valency because:

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  20. Zn and Cd metals do not show variable valency because:

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