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What happens when: H2S gas is passed th...

What happens when: `H_2S ` gas is passed through `CuSO_4` solution.

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A black precipitate of copper sulphide forms. `CuSO_4 + H_2S rarr H_2SO_4 + CuS`
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MBD PUBLICATION-p-BLOCK ELEMENTS-QUESTION BANK
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  2. Complete and balance the equation: Very dilute HNO3+ Cu rarr

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  3. What happens when: H2S gas is passed through CuSO4 solution.

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  4. What happens when H2S gas is passed through ammoniacal solution of Mn...

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  5. What happens when H2S is passed through aqueous solution of ZnCl2? Giv...

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  6. What happens when conc. H2SO4 is added to formic acid? Give equation.

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  7. What happens when H2S gas is passed through chlorine water ?

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  8. What happens when SO2 gas is passed through H2 S dissolved in water ?

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  9. Explain the structure of ozone molecule.

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  10. The nitrate which when heated gives off a gas or a mixture of gases wh...

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  11. Lead nitrate on heating gives lead oxide, nitrogen dioxide and oxygen....

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  12. Phosphorus is manufactured by heatingin a furnace.

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  13. A process for making ammonia at high temperature and pressure in the p...

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  14. Yellow phosphorus is kept in:

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  15. Superphosphate of lime is used in:

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  16. NH3 can be collected by the displacement of:

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  17. Light blue colour of nitrous acid is due to dissolved:

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  18. The dipole moment of NF3 is less than NH3 because:

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  19. Which hydride does not exist ?

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  20. Skin turns yellow in contact with conc. HNO3, because:

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