Bakelite
Melamine polymer
Polymethylmethacrylate (PMMA)
None of these
✅ The correct answer is option C.
Chemical Engineering MCQs
Internal energy change of a system over one complete cycle in a cyclic process is
A. Zero
B. +ve
C. -ve
D. Dependent on the path
✅ The correct answer is option A.
What is the value of ln y (where y = activity co-efficient) for ideal gases?
A. Zero
B. Unity
C. Infinity
D. Negative
✅ The correct answer is option A.
Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in
A. Increased COP
B. Same COP
C. Decreased COP
D. Increased or decreased COP ; depending upon the type of refrigerant
✅ The correct answer is option A.
Melting of ice exemplifies a/an
A. Adiabatic process
B. Endothermic reaction
C. Exothermic reaction
D. Process involving a chemical reaction
✅ The correct answer is option B.
__________ equation predicts the activity co-efficient from experimental data.
A. Lewis-Randall
B. Margules
C. Van Laar
D. Both B & C
✅ The correct answer is option D.
Sublimation temperature of dry ice (solid CO₂) is __________ °C.
A. -273
B. 0
C. -78
D. 5
✅ The correct answer is option C.
A solute distributes itself between two non-miscible solvents in contact with each other in such a way that, at a constant temperature, the ratio of its concentrations in two layers is constant, irrespective of its total amount”. This is
A. The distribution law
B. Followed from Margule’s equation
C. A corollary of Henry’s law
D. None of these
✅ The correct answer is option A.
Fugacity and pressure are numerically not equal for the gases
A. At low temperature and high pressure
B. At standard state
C. Both A and B
D. In ideal state
✅ The correct answer is option C.
Heat of reaction is
A. Dependent on pressure only
B. Dependent on temperature only
C. Dependent on both pressure and temperature
D. Independent of temperature changes
✅ The correct answer is option C.