E-PolyLearning

21. English scientist who discovered plasma was
a. William Crookes
b. Wilson
c. Watson
d. Wauker
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Answer: (a).William Crookes

22. Value of constant 'a' increases with increase in
a. pressure
b. volume
c. intermolecular forces
d. temperature
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Answer: (c).intermolecular forces

23. Melting points of states of matter depends upon strength of
a. intermolecular forces
b. volume
c. molecules
d. atoms
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Answer: (a).intermolecular forces

24. Magnetic fields create plasma which is known as
a. stable state
b. shifted state
c. metastable state
d. degenerated state
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Answer: (c).metastable state

25. 'K' according to Boyle's law s equal to
a. PT
b. PV
c. P/V
d. P/T
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Answer: (b).PV

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