EXAMIANS
The temperature at which the second Virial co-efficient of a real gas is zero is called the
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Osmotic pressure of the solution can be increased by
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Colligative properties of a dilute solution are those, which depend entirely upon the
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On mixing 56 gm of CaO with 63 gm of HNO₃, the amount of Ca(NO₃)₂ formed is __________ gm.
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Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at
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The elevation in boiling point of a solution is proportional to the __________ of the solution.
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The OH⁻ concentration in a solution having pH value 3 is
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Solutions which distil without change in composition are called
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The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water Xw in the vapour phase satisfies
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Avogadro's number is equal to
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