Volume
Solute concentration
Temperature
None of these
✅ The correct answer is option D.
Chemical Engineering MCQs
pH value of a solution containing 1 gm of hydrogen ion per litre will be
0
1
7
10
✅ The correct answer is option A.
The molar composition of a gas is 10% H₂, 10% O₂, 30% CO₂ and balance H₂O. If 50% H₂O condenses, the final mole percent of H₂ in the gas on a dry basis will be be
10%
5%
18.18%
20%
✅ The correct answer is option D.
For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction).
Inversely
Exponentially
Linearly
Negligibly
✅ The correct answer is option C.
If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will
Remain unaltered
Increase nine fold
Increase three fold
Decrease three fold
✅ The correct answer is option B.
In a binary liquid system, the composition expressed as __________ is independent of the temperature & pressure.
Kg of solute/kg of solvent
Kg-mole of solute/kg-mole of solvent
Kg-mole of solute/1000 kg of solvent
All of the above
✅ The correct answer is option D.
The heat of solution depends upon the
Nature of solvent
Concentration of solution
Nature of solute
All of the above
✅ The correct answer is option D.
Disappearance of snow in subzero weather exemplifies the process of
Evaporation
Sublimation
Vaporisation
Melting
✅ The correct answer is option B.
The elevation in boiling point of a solution is proportional to the __________ of the solution.
Molal concentration
Reciprocal of the molal concentration
Normality
Molarity
✅ The correct answer is option A.
The total volume occupied by a gaseous mixture is equal to the sum of the pure component volumes. This is the __________ law.
Dalton’s
Amgat’s
GayLussac’s
Avogadro’s
✅ The correct answer is option B.