Joule
Watt
Joule/Second
Both B & C
✅ The correct answer is option D.
Chemical Engineering MCQs
Roult’s law is obeyed by a __________ solution.
Saturated
Molar
Normal
None of these
✅ The correct answer is option D.
Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent?
Temperature
Nature of solute
Pressure
Nature of solvent
✅ The correct answer is option C.
The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. The temperature at which the above mixture will exert a pressure of one standard atm. is
Less than 100°C
100°C
Between 100 and 110°C
110.6°C
✅ The correct answer is option C.
The temperature at which a real gas obeys Boyle’s law is termed as the
Triple point
Boyle’s temperature
Eutectic point
Inversion temperature
✅ The correct answer is option B.
Heat of __________ of a fuel is called its calorific value.
Formation
Combustion
Reaction
Vaporisation
✅ The correct answer is option B.
Addition of a non-volatile solute to a pure solvent
Increases its freezing point
Increases its boiling point
Decreases its freezing point
Both B and C
✅ The correct answer is option D.
pH value of H₂SO₄ (5% concentration) is
5
7
> 7
< 7
✅ The correct answer is option D.
A solution of specific gravity 1 consists of 35% A by weight and the remaining B. If the specific gravity of A is 0.7, the specific gravity of Bis
1.25
1.3
1.35
1.2
✅ The correct answer is option D.
Atoms of the same element, but of different masses are called
Isobars
Isotones
Isotopes
None of these
✅ The correct answer is option C.