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Copper does not dissolve in HCI while it...

Copper does not dissolve in HCI while it does dissolve in `HNO_3`

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R G PUBLICATION-THE p-BLOCK ELEMENTS-EXERCISE
  1. Complete the following chemical reaction equations: P4 + NaOH + H2O ra...

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  2. Draw the structure of the following molecules and mention their shapes...

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  3. Copper does not dissolve in HCI while it does dissolve in HNO3

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  4. Copper does not dissolve in HCI while it does dissolve in HNO3

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  5. Define inter halogen compounds?

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  6. Write the balanced chemical equation for the reaction between sulphur ...

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  7. Complete the followign chemcial equations: 2XeF2 + 2H2O rarr

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  8. Complete the followign chemcial equations: Cu + 4HNO3 rarr

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  9. Complete the followign chemcial equations: Ca (OH)2+CI2 rarr

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  10. Nitrogen exists as diatomic molecule and phosphorous as P4.

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  11. Name a aerosol that depletes ozone.

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  12. Account for the following: Halogen are coloured.

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  13. Why the noble gases have very low boiling points?

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  14. Complete the folloiwng chemcial equation: KCIO3 overset(Delta) underse...

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  15. Complete the folloiwng chemcial equation: AI2O3(s)+6HCI(aq) +9H2O(I) r...

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  16. Mention one use each of Argon and Helium gases.

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  17. Give reasons for the following: Nitrogen exhibits +5 oxidation state. ...

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  18. Give reasons for the following: Sulphur vapour is paramagnetic.

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  19. Give reasons for the following: Moist chlorine is powerful bleaching a...

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  20. Complete the following reactions: P4 + 3NaOH + 3H2O rarr?

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