Everyday Science MCQs

5120 MCQs  (Page 319 of 512)

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Which one has the lowest density at room temperature ?
A. Ne
B. N2
C. Nh3
D. Co
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The introduction of Kelvin scale in thermodynamic is according to_______________?
A. Boyles law
B. Charles law
C. Daltons law
D. Grahams law
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At constant temperature the pressure of an ideal gas is doubled its density becomes_______________?
A. Half
B. Double
C. Same
D. None
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The diffusion of gases at absolute zero will be________________?
A. Unchanged
B. Slightly decreased
C. Slightly increased
D. Zero
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Critical temperature for different gases is different and depends upon______________?
A. Size of molecule
B. Shape of molecule
C. Intermolecular attractions
D. All of the above
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Which state of matter has the lowest density ?
A. Gas
B. Liquid
C. Solid
D. Plasma
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The solid particles only posses_____________________?
A. Translational motion
B. Vibrational motion
C. Rotational motion
D. All of above motions
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According to VESPR Model the geometry of molecule having 5 bond pair in outer most shell will be __________________?
A. Triangular
B. Square planner
C. Trigonal bipyramidal
D. Octahedral
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Unpaired electron in a molecule gives ______________ character ?
A. Ferromagnetic
B. Paramagnetic
C. Diamagnetism
D. Both a & b
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Product of charge and distance is called__________________?
A. Pressure
B. Bond length
C. Work
D. Dipole moment
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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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