A.The concentration of the reactant at equilibrium conditions is zero
B.the fractional conversion of the reactant at equilibrium conditions is zero
C.the equilibrium constant is zero
D.the equilibrium constant is one
A.is lighter than air
B.is more readily converted into positive irons
C.prevents air from reaching the surface of iron
D.forms a corrosion-resistant alloy with iron
A.273.15?
B.574.6?
C.459.6?
D.491.6?
A.in the case of steady-state equimolal counter-diffusion
B.in the case of steady-state unimolal unidirectional diffusion
C.both in the case of steady-state equimolal counter-diffusion and steady-state unimolal unidirectional diffusion
A.remains unaffected with change in reflux ratio
B.increases with increase in reflux ration
C.decreases with increase in reflux ration
D.and the heat required in reboiler decrease with increase in reflux ratio
A.193.044
B.1035.166
C.32.174
D.6.-0
A.is always greater than the volume predicted by ideal-gas law
B.is always less than the volume presicated by ideal-gas law
C.is always equal to the volume predicted by ideal gas law
D.may be less than equal to or greater than the volume predicted by ideal-gas law depending on the nature of the gas
A.Platinum resistance thermometer
B.Thermo electric thermometer
C.Constant volume hydrogen thermometer
D.Constant volume nitrogen thermometer
E.Optical pyrometer
A.Flame heating
B.Resistance heating
C.Dielectric heating
D.Radiation heating
E.Any of the above
A.Rough surfaces are better radiators than smooth surfaces
B.Highly polished mirror like surfaces are very good radiators
C.Black surfaces are better absorbers than white ones
D.Black surfaces are better radiators than white ones
