The processes of effusion and diffusion are best understand by________________?
A. Daltons law
B. Avogadro’s law
C. Grahams law
D. Charles law
Submitted by :- Jamil Ahmed
mnsoomro
The kinetic molecular theory of gases was put forward in 1738 by ___________?
A. Boltzman
B. Maxell
C. Clausius
D. Bernoulli
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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
Submitted by :- Jamil Ahmed
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
Submitted by :- Jamil Ahmed
The highest temperature at which a substance can exist as a liquid is called its______________?
A. Critical temperature
B. Standard temperature
C. Absolute temperature
D. Upper consulate temperature
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The spreading of fragrance or scent in air is due to_______________?
A. Diffusion
B. Effusion
C. Attraction with air
D. Low density
Submitted by :- Jamil Ahmed
The partial pressure exerted by the water vapours is called_______________?
A. Surface tension
B. Aqueous tension
C. Vapour pressure
D. Hydraulic pressure
Submitted by :- Jamil Ahmed
For a gas where volume and pressures are 1dm3 and 2 atm respectively what should be its new volume when pressure is increased to 6 atm at constant temperature ?
A. 1/2dm3
B. 1/3dm3
C. 1/4dm3
D. 2/3dm3
Submitted by :- Jamil Ahmed
What is the abundant form of matter on earth ?
A. Gas
B. Liquid
C. Solid
D. Plasma
Submitted by :- Jamil Ahmed
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
Submitted by :- Jamil Ahmed