Related Questions

The average value of heat of neutralisation of dilute solution of strong acids and strong bases is about __________ kcal/kg.mole of water formed.
A 6680
B 13360
C 2481
D 97302
Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in
A Viscosity with concentration
B Degree of ideality of the solution
C Both A & B
D Neither A nor B
Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions.
A Ideal
B Real
C Isotonic
D None of these
Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulphonic acid produces sodium dodecylbenzene sulphate, which is a/an
A Explosive
B Soap
C Detergent
D Analgesic drug
Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction.
A Catalytic
B Endothermic
C Exothermic
D Autocatalytic
Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its
A Tensile strength
B Chemical resistance
C Flexibility
D All of the above
When dilute aqueous solutions of two salts are mixed, the process is associated with
A Decrease in temperature
B Increase in temperature
C No change in temperature
D Change in temperature which is a function of composition
Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.
A -5 to 0
B 5 to 10
C 30 to 50
D 75 to 80
Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution.
A Degree of ideality
B Viscosity
C Both A & B
D Neither A nor B
Solutions having the same osmotic pressure are called __________ solutions.
A Dilute
B Ideal
C Isotonic
D Saturated

Next steps