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Chemistry Mcqs

What do we call to sudden expansion of plasma ?

July 9, 2022March 17, 2019 by admin
What do we call to sudden expansion of plasma ?

A. Avogadros law
B. Grahams law of diffusion
C. Joule Thompson effect
D. Daltons law of partial pressure

Categories Chemistry Mcqs, Gases

The highest temperature at which a substance can exist as a liquid is called its______________?

July 9, 2022March 17, 2019 by admin
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

Categories Chemistry Mcqs, Gases

The spreading of fragrance or scent in air is due to_______________?

July 9, 2022March 17, 2019 by admin
The spreading of fragrance or scent in air is due to_______________?

A. Diffusion
B. Effusion
C. Attraction with air
D. Low dsensity

Categories Chemistry Mcqs, Gases

The partial pressure exerted by the water vapours is called_______________?

July 9, 2022March 17, 2019 by admin
The partial pressure exerted by the water vapours is called_______________?

A. Surface tension
B. Aqueous tension
C. Vapour pressure
D. Hydraulic pressure

Categories Chemistry Mcqs, Gases

Which one is the right value for R ?

July 9, 2022March 17, 2019 by admin
Which one is the right value for R ?

A. 0.0821 atm dm3k-1mol-
B. 0.0821 atm m3k-1mol-1
C. 2 cal k-1 mol-1
D. 8.314 Nm2k-1mol-1

Categories Chemistry Mcqs, Gases

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 ?

July 9, 2022March 17, 2019 by admin
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

Categories Chemistry Mcqs, Gases

What is the abundant form of matter on earth ?

July 9, 2022March 17, 2019 by admin
What is the abundant form of matter on earth ?

A. Gas
B. Liquid
C. Solid
D. Plasma

Categories Chemistry Mcqs, Gases

In how many forms do matter exists ?

July 9, 2022March 17, 2019 by admin
In how many forms do matter exists ?

A. Three
B. Four
C. Five
D. Two

Categories Chemistry Mcqs, Gases

Which of the following option is incorrect about gases ?

July 9, 2022March 17, 2019 by admin
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

Categories Chemistry Mcqs, Gases

0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same_____________?

July 9, 2022March 17, 2019 by admin
0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same_____________?

A. Value of a
B. Mass
C. Atoms
D. Both B and C

Categories Chemistry Mcqs, Gases
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