51. The OH- concentration in a solution having pH value 3 is
52. The viscosity of water at room temperature may be around one
53. A vapor that exists above its critical temperature is termed as a __________ vapor.
54. A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be
55. A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be
56. Which of the following is not a unit of kinematic viscosity?
57. 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
58. Pick out the wrong statement.
59. Ideal solution is formed, when its components have zero
60. The heat evolved in the combustion of benzene is represented by the equation:
C6H6 + 7.5O2 = 6CO2 + 3H2O, ΔH = 3264.6 kJ/kg.mole
The heat energy change, when 39 gm of C6H6 is burnt in an open container, will be __________ kJ/kg.mole.
C6H6 + 7.5O2 = 6CO2 + 3H2O, ΔH = 3264.6 kJ/kg.mole
The heat energy change, when 39 gm of C6H6 is burnt in an open container, will be __________ kJ/kg.mole.
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