Which of the following is not a unit of kinematic viscosity:
A. Poise
B. Stoke
C. cm2/second
D. None of these
Isotopes are atoms having the same:
A. Mass number
B. Number of neutrons
C. Atomic mass
D. None of these
The heat capacity of most substances is greater for the _______ state:
A. Solid
B. Liquid
C. Gaseous
D. None of these
A sugar solution containing ______ percent sugar is equivalent to 1 Brix:
A. 0.01
B. 0.1
C. 1
D. 10
pH value of a solution containing 1 gm of hydrogen ion per litre will be:
A. 0
B. 1
C. 7
D. 10
Equal masses of CH4 and H2 are mixed in an empty container. The partial pressure of hydrogen in this container expressed as the fraction of total pressure is:
A. 1/9
B. 8/9
C. 1/2
D. 5/9
No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules:
A. Collide without loss of energy
B. Do work equal to loss in kinetic energy
C. Are above the inversion temperature
D. Exert no attractive force on each other
Density of carbon dioxide is _______ kg/Nm3:
A. 44/22400
B. 44/22.4
C. 22.4/44
D. None of these
Molar heat capacity of water in equilibrium with ice at constant pressure is:
A. 0
B. ∞
C. 1
D. None of these
At room temperature, the product [H+] [OH-] in a solution is 10-14 moles/litre. If, [OH-] = 10-6 moles/litre, then the pH of the solution will be:
A. 6
B. 8
C. 10
D. 12