A. Surface tension
B. Density
C. Viscosity
D. Buoyancy
Related Mcqs:
- The internal energy of an incompressible fluid depends upon its_________________?
A. Pressure
B. Temperature
C. Both A. & B
D. Neither A. nor B - “The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface”. This statement pertaining to the solubility of gases in liquid is the ______________ law?
A. Raoult’s
B. Henry’s
C. Amagat’s
D. None of these - The partial pressure of each constituent present in an alloy is _____________ the total vapor pressure exerted by the alloy?
A. Less than
B. Equal to
C. More than
D. Either B. or C; depends on the type of alloy - A liquid under pressure greater than its vapour pressure for the temperature involved is called a _____________ liquid?
A. Sub-cooled
B. Saturated
C. Non-solidifiable
D. None of these - Entropy change of mixing two liquid substances depends upon the_________________?
A. Molar concentration
B. Quantity (i.e. number of moles)
C. Both A. and B
D. Neither A. nor B - 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 - What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are mixed in an empty vessel at 25°C ?
A. 2/3
B. 1/3
C. 1/2
D. 1/3 × (298/273) - Osmotic pressure exerted by a solution prepared by dissolving one gram mole of a solute in 22.4 litres of a solvent at 0°C will be _______________ atmosphere?
A. 0.5
B. 1
C. 1.5
D. 2 - The temperature of a gas in a closed container is 27° C. If the temperature of the gas is increased to 300° C, then the pressure exerted is___________________?
A. Doubled
B. Halved
C. Trebled
D. Unpredictable - A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is φi yi P = Yi xifi° where, Φ is a vapor fugacity component, Yi is the liquid activity coefficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of ______________________?
A. Temperature only
B. Temperature and pressure only
C. Temperature, pressure and liquid composition xi only
D. Temperature, pressure, liquid composition xi and vapour composition yi
