Temperature & pressure
Number of intermediate chemical reactions involved
State of aggregation & the state of combination at the beginning & the end of the reaction
None of these
✅ The correct answer is option B.
Chemical Engineering MCQs
The rate of material __________ is zero in case of a steady state system.
Accumulation
Production
Input
Generation
✅ The correct answer is option A.
‘Giga’ stands for
109
10-Dec
1012
1015
✅ The correct answer is option A.
A compound was found having nitrogen and oxygen in the ratio 28 gm and 80 gm respectively. The formula of the compound is
N₂O₄
N₂O₅
N₂O₃
None of these
✅ The correct answer is option B.
Increasing the temperature of an aqueous solution will cause decrease in its
Molality
Mole fraction
Weight percent
Molarity
✅ The correct answer is option D.
The average translational kinetic energy with which a gas molecule is endowed is dependent on its
Nature
Size
Absolute temperature
All of the above
✅ The correct answer is option C.
pH value of an alkaline solution is
7
> 7
< 7
Constant over a wide range
✅ The correct answer is option B.
Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is
80.1°C
Less than 80.1°C
100°C
Greater than 80.1°C but less than 100°C
✅ The correct answer is option D.
The equilibria relations in a multicom-ponent and multiphase system can not be calculated with the help of the
Phase rule
Experimental data
Emperical equations
Theoretical equations
✅ The correct answer is option A.
The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________
1026
1023
1020
1019
✅ The correct answer is option C.