Related Questions

Bob just filled his car's gas tank with 20 galions of gasohol , a mixture consisting of 5% ethanol and 95% gasoline. If his car runs best on a mixture consisting of 10% ethanol and 90% gasoline, how many gallons of ethanol must he add into the gas tank for his car to achieve optimum performance?
A 20/19
B 10/9
C 9/10
D 1
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 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
In azeotropic mixture, the equilibrium vapour composition is
A More than liquid composition
B Less than liquid composition
C Same as liquid composition
D Independent of pressure
A jar contains a mixture of oil and water in the ratio 22 :3 . 50 litres of the mixture was taken out and 25 litres of water was added to it. If water was 34% in the resultant mixture, what was the initial quantity of the mixture (in litres ) in the jar?
A 175
B 150
C 75
D 125
An azeotropic mixture is a __________ mixture.
A Binary
B Ternary
C Constant boiling point
D None of these
What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor?
A 2
B 0
C 3
D 1
A 140 liter mixture of milk and water contains 20% water. How much milk , in liter, must be added to the mixture so that the new mixture will contain a water and milk ratio of 1 : 7?
A 80 liter
B 84 liter
C 112 liter
D None of these
A 180 liter mixture of milk and water contains 20% water. How much milk, in liters, must be added to the mixture so that the new mixture will contain water and milk in the ratio of 1 : 7?
A 100 liters
B 108 liters
C 144 liters
D 252 liters
The alcohol and water in a mixture are in the ratio of 7 : 8 respectively. If 11 litre water is added to it, then the ratio of alcohol and water in the new mixture becomes 3 : 5. What is the total quantity (in litres) of the alcohol in the new mixture?
A 21
B 24
C 35
D 32

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