EXAMIANS
The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times.
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The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent.
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For a neutral solution (pH = 7), the value of[H⁺] [OH⁻] is equal to
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Enthalpy of a vapor gas mixture may be increased by increasing the
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Molar heat capacity of water in equilibrium with ice at constant pressure is
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If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will
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The elevation in boiling point of a solution is proportional to the __________ of the solution.
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A 'limiting reactant' is the one, which decides the __________ in the chemical reacation.
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An equation for calculating vapour pressure is given by, log10 P = A - B(t + c).
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°API gravity of water at N.T.P. is about
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