Q. A solution having a pH value of 5 is less acidic than the one having a pH value of 2 by a factor of

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Q. The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg. ?

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Q. Which of the following expressions defines the Baume gravity scale for liquids lighter than water ?

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Q. 2 litres of nitrogen at N.T.P. weighs __________ gms.

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Q. Which of the following is followed by an ideal solution ?

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Q. Cᵨ/Cᵥ for monoatomic gases is

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Q. One of the specific gravity scales is "Brix" (used speicifically for sugar solution). It is defined as

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Q. The reverse process of fractional crystallisation is called

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Q. The unit of specific heat at constant pressure, Cᵨ, in SI unit is

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Q. Two solutions A1 and A2 have pH value of 2 and 6 respectively. It implies that the solution

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Q. For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation.

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Q. The molecular velocity of a real gas is proportional to (where, T = absolute temperature of the gas).

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Q. Pick out the wrong statement.

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Q. Pick out the wrong statement.

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Q. Pick out the correct conversion.

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Q. The maximum adiabatic flame temperature of fuels in air is __________ the maximum flame temperature in pure oxygen.

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Q. Which of the following is not used for computing latent heat of vaporisation ?

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Q. Pick out the wrong unit conversion of temperature.

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Q. "The total volume occupied by a gaseous mixture is equal to the sum of the pure component volumes". This is the __________ law.

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Q. The osmotic pressure of a solution is directly proportional to the

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