371. On expansion, an ideal gas expands in accordance with the PV-constant. The gas’s temperature will:
(A) Increase
(B) Decrease
C) Remains Constant
(D) Cannot be determined
372. The ratio of the number of molecules in containers A and B to the total number of molecules in the container is:
(A) 1:2
B) 2:1
(C) 4:1
(D) 3:1
373. X ml of H2 has emitted through an opening in 5 seconds. The time taken for the emission of the same volume of the gas indicated later under indistinguishable circumstances is:
(A) 10 seconds
B) 20 seconds O2
(C) 25 seconds CO
(D) 55 seconds CO2
374. The van der Waals constant “B” is a measure of:
(A) Intermolecular attraction
B) Volume occupied by molecules
(C) Intermolecular collision
(D) Velocity of molecules
375. Which of the following is the most ideal gas:
(A) H2
(B) He
(C) N2
D) CO2
376. Which of the following is the highest energy state of energy:
(A) Solid
(B) Gas
C) Plasma
(D) Liquid
377. At what centigrade temperature the volume of a gas at 0 degrees centigrade doubles of itself when pressure remains constant:
(A) 0 Degree centigrade
B) 273 Degree centigrade
(C) 373 Degree centigrade
(D) 50 Degree centigrade
378. This of the following is not a property of liquids:
(A) Definite Volume
B) Definite shape
(C) Diffusion
(D) Fluidity
379. Chemical properties of a substance depend upon the strength of __ forces:
(A) Intermolecular
B) Intramolecular
(C) Dipole-dipole
(D) Van der Waals
380. Molar heat of vaporization of water is:
(A) 920 KJ/MOL
B) 40.7 KJ/MOL
(C) 16 KJ/MOL
(D) 20 KJ/MOL
Admin