0
0.065
0.1
1
✅ The correct answer is option B.
Chemical Engineering MCQs
Addition of a non-volatile solute to a solvent produces a __________ in its solvent.
Freezing point elevation
Boiling point depression
Vapor pressure lowering
All of the above
✅ The correct answer is option C.
A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the
Atomic weight of the metal is 4
Equivalent weight of the metal is 4
Atomic weight of the metal is 2
Equivalent weight of the metal is 8
✅ The correct answer is option B.
A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO₂, 0.05 gm mole of oxygen and 0.80 gm mole of N₂. What is its molecular weight?
28.6
30
30.6
32.6
✅ The correct answer is option C.
On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes
1
8
4
2
✅ The correct answer is option C.
Gases diffuse faster compared to liquids because of the reason that the liquid molecules
Are held together by stronger inter-molecular forces
Move faster
Have no definite shape
Are heavier
✅ The correct answer is option A.
For the gaseous phase reaction, N₂ + O₂ ⇋ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by
Increasing the concentration of N₂
Decrease in temperature
Increase in pressure
Decrease in pressure
✅ The correct answer is option B.
Unit of mass velocity is
Kg/m . hr
Kg/m².hr
Kg/hr
Kg/m²
✅ The correct answer is option B.
Elements in a periodic table are arranged in order of their
Atomic number
Mass number
Atomic weight
Metallic characteristics
✅ The correct answer is option A.
Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.
3
> 3
< 3
< 1
✅ The correct answer is option B.