E-PolyLearning

6. Expression for pressure of an ideal gas was deduced by
a. Boyle
b. Clausius
c. Dalton
d. Charles
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Answer: (b).Clausius

7. Fragrance of a flower spreads because of
a. pressure
b. effusion
c. diffusion
d. volume
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Answer: (c).diffusion

8. When air in Linde's method comes out of jet is
a. expanded
b. cooled
c. heated
d. deatomized
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Answer: (a).expanded

9. Avogadro's law states equal volume of gases that contain same number of
a. crystals
b. molecules
c. states
d. pressure units
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Answer: (b).molecules

10. Sun is usually heated by
a. nuclear fusion
b. fission
c. ions
d. atoms
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Answer: (b).fission

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