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Answer the following: Why H2O is a liqui...

Answer the following: Why `H_2O` is a liquid whereas `H_2S` is gas at room temperature?

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R G PUBLICATION-THE p-BLOCK ELEMENTS-EXERCISE
  1. How do you account for the reducing behaviour of H3PO2 on the basis fo...

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  2. Explain why NO2 dimerises.

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  3. Answer the following: Why H2O is a liquid whereas H2S is gas at room t...

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  4. What happens when potassium chlorate is heated with manganese dioxide?

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  5. What is Oleum?

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  6. Fluorine exhibits only+1 oxidation state, whereas other halogens also ...

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

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  8. Explain the bleaching action of Cl2.

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  9. Complete the following chemical reaction equations. P4 + NaOH+H2O rarr...

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  10. Complete the following chemical reaction equations: F2(g) + H2O(l) rar...

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  11. Complete the following chemical reaction equations: Ca3P2(s) + H2O(l) ...

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  12. Complete the following chemical reaction equations: P4 + NaOH + H2O ra...

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

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

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

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  16. Define inter halogen compounds?

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

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

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

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

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