A. 109
B. 10-12
C. 1012
D. 1015
Related Mcqs:
- (∂T/∂P)H is the mathematical expression for__________________?
A. Specific heat at constant pressure (Cp)
B. Specific heat at constant volume (Cv)
C. Joule-Thompson co-efficient
D. None of these - DLS stands For_______?
A. Drill line system
B. Dogleg severity
C. Drill line stream
D. All of AboveSubmitted by: Sajjad Ali Tagar
- RIH stands for ________?
A. Run in hole
B. Rip in hole
C. Rest in hole
D. None of theseSubmitted by: Sajjad Ali Tagar
- The vapor pressure of water at 100°C is__________________?
A. 100 N/m2
B. 76 cms of Hg
C. 13.6 cms of Hg
D. 760 mm wc - Gases diffuse faster compared to liquids because of the reason that the liquid molecules_________________?
A. Are held together by stronger inter-molecular forces
B. Move faster
C. Have no definite shape
D. Are heavier - According to Raoult’s law, “The vapor pressure exerted by component in a solution is proportional to the mole fraction of that component.” Raoult’s law is not applicable under the following assumption/condition?
A. No component is concentrated at the surface of the solution
B. The component molecules are non polar and are of almost equal size
C. In the formation of solution, chemical combination/molecular association between unlike
molecules takes place
D. The attractive forces between like and unlike molecules are almost equal - The temperature at which the second Virial co-efficient of a real gas is zero is called the_____________________?
A. Eutectic point
B. Boyle temperature
C. Boiling point
D. Critical temperature - Which of the following terms of Vander Walls equation of state for a non-ideal gas accounts for intermolecular forces ?
A. RT
B. P + (a/V2)
C. (V – b)
D. 1/RT - A gaseous mixture contains 14 kg of N2, 16 kg of O2 and 17 kg of NH3. The mole fraction of oxygen is__________________?
A. 0.16
B. 0.33
C. 0.66
D. 0.47 - 80 kg of Na2SO4 (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na2SO4 .10H2O crystals separate out. The weight fraction of Na2SO4 in the remaining solution is_________________?
A. 0.00
B. 0.18
C. 0.24
D. 1.00