Subject Repository
Chemical Engineering Mcqs
Showing 101 – 120 of 8,664 verified multiple choice questions with answers and explanations.
Q101NTS / FPSC / PPSC
For most salts, the solubility increases with rise in temperature, but the solubility of _______________ is nearly independent of temperature rise?
Q102NTS / FPSC / PPSC
The chemical nature of an element is independent of_______________________?
Q103NTS / FPSC / PPSC
In general, the specific heats of aqueous solutions _____________ with increase in the concentration of the solute?
Q106NTS / FPSC / PPSC
If pH value of a solution is 8, then its pOH value will be ____________________?
Q107NTS / FPSC / PPSC
Average molecular weight of air is about ____________________?
Q108NTS / FPSC / PPSC
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 ?
Q109NTS / FPSC / PPSC
An ideal gas can be liquefied, because ___________________?
Q110NTS / FPSC / PPSC
With increase in temperature, the surface tension of water _____________________?
Q111NTS / FPSC / PPSC
Vapor pressure of water at 100°C is about _______________ bar?
Q112NTS / FPSC / PPSC
A very dilute solution is prepared by dissolving ‘x1’ mole of solute in ‘x2’ mole of a solvent. The mole fraction of solute is approximately equal to_________________?
Q113NTS / FPSC / PPSC
Atomic ______________ of an element is a whole number?
Q114NTS / FPSC / PPSC
The latent heat of vaporisation__________________?
Q115NTS / FPSC / PPSC
Atoms of the same element, but of different masses are called__________________?
Q116NTS / FPSC / PPSC
The temperature at which the second Virial co-efficient of a real gas is zero is called the_____________________?
Q117NTS / FPSC / PPSC
Percentage saturation of a vapor bearing gas is always _____________ the relative saturation?
Q118NTS / FPSC / PPSC
The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour________________?
Q119NTS / FPSC / PPSC