Related Questions

The equilibrium liquid composition compared to the vapor composition in case of azeotropic mixture is
A More
B Less
C Same
D Either more or less; depends on the system
The number of degree of freedom for an azeotropic mixture of ethanol and water in vapour-liquid equilibrium, is
A 3
B 1
C 2
D 0
The number of degrees of freedom for an azeotropic mixture in a two component vapour-liquid equilibria is/are
A Zero
B One
C Two
D Three
The relative volatility of a binary mixture at the azeotropic composition is
A 1
B > 1
C 0
D ∞
An azeotropic mixture is a __________ mixture.
A Binary
B Ternary
C Constant boiling point
D None of these
A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called
A Dry air
B Moist air
C Saturated air
D Specific humidity
One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect
A The product composition but not the fraction vaporised
B The product composition as well as the fraction vaporised
C The fraction vaporised but not the product composition
D Neither the product composition nor the fraction vaporised
A binary liquid azeotropic mixture has boiling point higher than either of the components, when it shows __________ deviation from Raoult's Law.
A Positive
B Negative
C No
D None of these
A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law.
A Positive
B Negative
C No
D None of these
A mixture contains 2/5 of element A and 3/5 of element B. When 5ml of A is added to the mixture, the proportion of B in the mixture changes to 1/5. What amount of A was originally present in the mixture before the addition was made ?
A 1ml
B 1.5ml
C 2.5ml
D 6ml

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