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Which of the following sulphides do not ...

Which of the following sulphides do not dissolve in `50% HNO_(3)` but dissolve in aqua regia?

A

`CoS`

B

`NiS`

C

`CuS`

D

`HgS`

Text Solution

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The correct Answer is:
A, B, D
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GRB PUBLICATION-SALT ANALYSIS-Multiple Objective Type
  1. White precipitate of PbSO(4) gets dissolved in:

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  2. What final product(s) is/are formed in the following series of reactio...

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  3. Which of the following sulphides do not dissolve in 50% HNO(3) but dis...

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  4. Which of the following statement(s) is/are correct?

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  5. Which of the following can be used to regulate the concentration of OH...

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  6. Select the correct statement(s).

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  7. Which of the following statement(s) is/are not correct?

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  8. Which of the following will give the same colour in oxidising flame as...

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  9. Ni +H(2)SO(4) (hot and concentrated) rarr X(g). The liberated gas (sel...

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  10. Co^(2+)+KCN (not in excess) rarr Precipitate. Select the correct state...

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  11. Potassium ferrocyanide is used for testing :

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  12. Which of the following statements is/are correct?

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  13. Which of the following imparts green/apple green colour to the Bunsen ...

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  14. Which of the following compound gives X gas with addition of dilute HC...

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  15. Which of the following anion(s) gives white ppt. with CaCI(2) in aqueo...

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  16. Which of the following acid is/are evolve CO(2) gas from carbonate sal...

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  17. Which of the following reagent(s) form ppt. with Na(2)CO(3)?

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  18. The precipitate of Ag(2)CO(3) dissolve in:

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  19. Which of the following interfering radicals form volatile product with...

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  20. Which of the following reagent(s) can show colour change when SO(2) ga...

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