Everyday Science MCQs

5120 MCQs  (Page 318 of 512)

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Which of the following option is incorrect about gases ?
A. All molecules move with same speed
B. All molecules behave independently
C. Pv / rt = n
D. All gases cannot be liquefied through linds method
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In how many forms do matter exists ?
A. Three
B. Four
C. Five
D. Two
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What is the abundant form of matter on earth ?
A. Gas
B. Liquid
C. Solid
D. Plasma
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If 1/V is plotted on X-axis and pressure on Y-axis at constant temperature what should appear ________________?
A. Straight line parallel to x-axis
B. Straight line parallel to y-axis
C. Straight line
D. Curve
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One mole of an ideal gas at 546.5 K under 2 atm pressure has a volume of________________?
A. 22.414 m3
B. 44.828 dm3
C. 22.414 dm3
D. 11.212 cm3
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Which one is not the partial pressure of oxygen in the lungs ?
A. 0.1526 atm
B. 116 mm of hg
C. 116 torr
D. 1 atm
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The kinetic molecular theory of gases was put forward in 1738 by _____________________?
A. Boltzman
B. Maxell
C. Clausius
D. Bernoulli
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Hydrogen effuses four times more rapidly than volume of an unknown gas molar mass of unknown gas should be_______________?
A. 16 gmol-1
B. 32 gmol-1
C. 48 gmol-1
D. 64 gmol-1
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The processes of effusion and diffusion are best understand by________________?
A. Daltons law
B. Avogadros law
C. Grahams law
D. Charles law
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The non-ideal behaviour results chiefly from________________?
A. Intermolecular attraction and infinite volume
B. Elastic collisions and finite volume
C. Intermolecular attractions and finite volume
D. Intermolecular attraction only
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Word of the Day
25 Jul
January
a preference or special liking for something; a bias in favour of something.
2021:00:00

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