In how many forms do matter exists ?
In how many forms do matter exists ?
A. Three
B. Four
C. Five
D. Two
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Chemistry Mcqs, GasesGases
Which of the following option is incorrect about gases ?
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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Chemistry Mcqs, Gases0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same_____________?
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
Which of the following statements is true about plasma________________?
Which of the following statements is true about plasma________________?
A. It may be the first state of matter
B. It is not a phase transition
C. It is a conductor of electricity
D. All of the above
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Chemistry Mcqs, GasesThe weakest (in strength) of the following intermolecular forces is_______________?
The weakest (in strength) of the following intermolecular forces is_______________?
A. Hydrogen bonding
B. Vander Waals force
C. Forces among the polar molecules
D. Ionic bond
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Chemistry Mcqs, GasesWhich of these gases diffuse more quickly than oxygen ?
Which of these gases diffuse more quickly than oxygen ?
A. H2S
B. NO
C. Cl2
D. N2O
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Chemistry Mcqs, GasesLinds method is employed for__________________?
Linds method is employed for__________________?
A. Separation of gases
B. Expansion of gases
C. Compression of gases
D. Liquefaction of gases
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Chemistry Mcqs, GasesThe non-ideal behaviour results chiefly from________________?
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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Chemistry Mcqs, GasesThe processes of effusion and diffusion are best understand by________________?
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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Chemistry Mcqs, GasesHydrogen effuses four times more rapidly than volume of an unknown gas molar mass of unknown gas should be_______________?
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