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Composition of azurite mineral is...

Composition of azurite mineral is

A

`CuCO_(3).CuO`

B

`Cu(HCO_(3))_(2).Cu(OH)_(2)`

C

`2CuCO_(3).Cu(OH)_(2)`

D

`CuCO_(3).2Cu(OH)_(2)`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2008-CHEMISTRY
  1. RCH(2)CH(2)OH can be converted into RCH(2)CH(2)COOH by the following s...

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  2. The major product 'P' in the following reaction is CH(3)CH=CH(2) un...

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  3. Formation of cyanohydrin from a ketone is an example of

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  4. Which of the following will exhibit cis - trans isomerism?

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  5. How many primary amines are possible with the formula C(4)H(11)N?

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  6. The IUPAC name of CH(3)-CH=CH-C-=CH is

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  7. A tripeptide is written as Glycine-Alanine-Glycine. The correct struct...

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  8. Which of the following will produce only one product upon reduction wi...

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  9. Which pair of the following gives effervescence with aq. NaHCO(3) ? ...

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  10. Which of the following acids has the smallest dissociation constant?

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  11. Which one of the following pairs is obtained on heating ammonium dichr...

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  12. Which one of the following processes is used for the manufacture of ca...

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  13. Composition of azurite mineral is

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  14. When KI is added to an acidified solution of sodium nitrite

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  15. Fe(OH)(3) can be separated from Al(OH)(3) by the addition of

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  16. Select the incorrect statement from the following:

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  17. The brown complex obtained in the detection of nitrate radical is form...

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  18. Sodium nitrate on reduction with Zn in presence of NaOH solution, prod...

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  19. In transforming 0.01 mol of PbS to PbSO(4), the volume of "10-volume" ...

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  20. An unknown element forms an oxide. What will be the equivalent weight ...

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