🏭Chemical Engineering MCQs
Chemical Engineering MCQs
496 MCQs471
In which of the following case of mixing of a strong acid with strong base (each of 1N concentration), temperature increase will be the highest ?
A30
B20
Cc base
D35
472
With increase in the solute concentration, the specific heat of aqueous solutions _____________________?
Aor
B; depends on the type of solution
CRemains unchanged
DEither
473
Osmotic pressure exerted by a solution prepared by dissolving one gram mole of a solute in 22.4 litres of a solvent at 0°C will be _______________ atmosphere?
A0.5
B1
C1.5
D2
474
Which of the following is not a unit of kinematic viscosity ?
APoise
BStoke
Ccm2/second
DNone of these
475
Isotopes are atoms having the same _____________________?
AMass number
BNumber of neutrons
CAtomic mass
DNone of these
476
Na2SO4. 10H2O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na2SO4. The final concentration of the solute in the solution is 10%. The weight of crystals is________________?
A20
B32.2
C45.35
D58.65
477
At a temperature of 0°K, the molecules of a gas have only _______________ energy?
ARotational
BVibrational
CTranslational
DNone of these
478
On mixing 56 gm of CaO with 63 gm of HNO3, the amount of Ca(NO3)2 formed is ______________ gm?
A82
B164
C41
D8.2
479
Atmospheric pressure corresponds to a hydrostatic head of_________________?
A13.6 cms of Hg
B34 ft ofH2O
C1 metre of H2O
D13.6 metres of Hg
480
The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________________?
A2M
BM/2
CM
DM/4