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Fill in he blank.The number of molecules...

Fill in he blank.The number of molecules in 8 gm of methane is_________.

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UNITED BOOK HOUSE-KALIDHAN INSTITUTION QUESTION PAPER-EXERCISE
  1. The number of molecules 67.2 L of a gas at 0^@C and 1 atm pressure is:

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  2. Fill in the blank.The gram atoms contains in 5 g of calcium are.

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  3. Fill in he blank.The number of molecules in 8 gm of methane is.

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  4. Give one example of extensive properly.

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  5. Write the unit of alphaused in Vanderwaal’s equation.

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  6. What is effusion?

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  7. Give an example of a compound having trigonal bipyramidal structure.

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  8. State with example law of reciprocal proportion.

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  9. Give the limitation of multiple proportion.

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  10. Write two difference between orbit anoorbital. What difference will be...

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  11. Endothermic process may also be spontaneous— Explain giving condition.

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  12. Calculate the entropy change in vapourisation of 9 gm waterat 100^@C.

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  13. Calculate the value of universal gas constant in CGS unit.

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  14. Write the electronic configuration of oxygen molecule.

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  15. The percentage of carbon and hydrogen in an organic compound are 92.5 ...

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  16. An electron has a velocity of 300 ms^(-1) that is accurate to .001%. W...

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  17. The- mass of a proton and an electron are 1.67 xx 10^(-24) g and 9.11 ...

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  18. Define ionisation potential. State its change down a group.

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  19. Give one example of intramolecular hydroen bond. Explain why - KHF2 e...

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  20. Calculate the ratio of the values of average velocity, root mean squar...

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