In how many forms do matter exists ?
A. Three
B. Four
C. Five
D. Two
Gases
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
0.5 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
The 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
Which 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
Linds 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
The 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
The 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
Hydrogen 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