🏭Chemical Engineering MCQs
Chemical Engineering MCQs
496 MCQs381
In case of an unsaturated vapor-gas mixture, the humid volume increases with increase in the________________?
Anor
BD. Neither
CBoth
382
1 gm mole of methane (CH4) contains_________________?
A6.02 × 1023 atoms of hydrogen
B4 gm atoms of hydrogen
C3.01 × 1023 molecules of methane
D3 gms of carbon
383
If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is _____________ times?
A10
B100
C1000
D10000
384
If the partial pressure of the solvent in the vapor phase is equal to the vapor pressure of the solvent at that temperature, then the system is said to be at its___________________?
ABubble point
Band
CDew point
DBoth
385
With increase in the temperature of pure (distilled) water, its____________________?
ApOH decreases and pH increases
BpOH and pH both decreases
CpH and pOH both increases
DpH decreases and pOH increases
386
6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H2 produced will be ______________ gm?
A0.5
B1
C3
D5
387
Boiling point of a solution as compared to that of the corresponding solvent is _________________?
ALess
BMore
CSame
DEither more or less; depends upon the solvent
388
Number of gm moles of solute dissolved in 1 kg of solvent is called its___________________?
ANormality
BMolarity
CMolality
DFormality
389
Assuming that CO2 obeys perfect gas law, calculate the density of CO2 (in kg/m3) at 263°C and 2 atm ?
A1
B2
C3
D4
390
1 Pascal (unit of pressure) is equal to _______________ N/m2 ?
A10
B1
C0.1
D1000