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An open vessel at 27^(@) C is heated unt...

An open vessel at `27^(@) C` is heated until 2/5 th of the air in it has expelled . Assuming the volume of the vessel remains constant , the temperature to which the vessel has been heated is

A

`477 ^@ C`

B

`227^@ C`

C

`377 ^@ C `

D

`500^@ C`

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The correct Answer is:
B
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AAKASH SERIES-STATES OF MATTER-OBJECTIVE EXERCISE -2
  1. A bulb of unknown volume 'V' Contains an ideal gas at 2 atm pressure. ...

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  2. 2gm of hydrogen is present in a closed vessel at S.T.P. If the same qu...

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  3. An open vessel at 27^(@) C is heated until 2/5 th of the air in it has...

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  4. An open bulb containing air at 19^(@)C was cooled to a certain temper...

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  5. A five litre flask contains 3.5gm of N2 3g of H2 and 8g of O2 at 27^@C...

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  6. If 10 gm of a gas at atmospheric pressure is cooled from 273°C to 0°C ...

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  7. The molecular weights of two ideal gases A and B are respectively 100 ...

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  8. A gas occupies a volume of 300 cc at 27^@C and 620 mm pressure. The vo...

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  9. Two samples of gases 'a' and 'b' are at the same temperature. The mole...

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  10. A bulb of unknown volume 'V' Contains an ideal gas at 2 atm pressure. ...

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  11. Rate of diffusion of gases is not influenced by

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  12. Under the same conditions the rates of diffusion of two gases are in t...

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  13. The rate of diffusion of methane at given temperature is twice that of...

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  14. 2 grams of Helium diffuses from a porous plate in 4min. How many grams...

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  15. 350 cm^3 of CH4 and 175cm^3 of an unknown gas 'A' diffused in the sam...

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  16. At what temperature will the rate of diffusion of N(2) be 1.6 times t...

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  17. 50 ml of oxygen diffuses under certain conditions through a porous mem...

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  18. A certain volume of Methane diffuses in 10 Sec through a porous partit...

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  19. A  pre-weighed vessel was filled with oxygen at NTP and weighed. It wa...

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  20. The reaction between gaseous NH3 and HBr produces a white solid NH4Br....

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