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Name the noble gas which is most abundan...

Name the noble gas which is most abundant in atmosphere.

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. Complete the following reaction : H2S + O2 rarr

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  2. Complete the following reaction : K + H2O rarr

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  3. Name the noble gas which is most abundant in atmosphere.

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  4. Name the noble gas which is radioactive.

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  5. Name the noble gas which has least boiling Point .

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  6. Which was the first noble gas compound synthesised? Who prepared it ?

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  7. Draw the structure of XeF2, and what is the state of hybridisation of ...

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  8. What is the state of hybridisation of Xe in : XeOF4

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  9. What is the state of hybridisation of Xe in : XeO3

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  10. What is the state of hybridisation of Xe in XeF4.

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  11. What is the difference of water molecules in plaster of paris and gyps...

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  12. The odour of acetic acid resembles that of :

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  13. Plaster of paris is hardens by .......................

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  14. Which of the following is evolved when Na2CO3 is heated ?

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  15. If pH of the solution is 13 then what does it indicate?

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  16. Why conc. H2 SO4 is viscous and has high boiling point ?

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  17. True of False: In group 16, the volatility of hydrides first increases...

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  18. True of False: Both pyrophosphoric acid and hypophosphoric acid have ...

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  19. A solution turns red litmus blue, its pH is likely to be :

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  20. True of False: In SF4, S involves sp^3d hybridisation.

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