MCQs: 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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MCQs: Cp – Cv for an ideal gas is equal to________________?
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MCQs: Real gases approach ideal behaviour at___________________?
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MCQs: In the reaction, represented by Na2CO3 + HC1 → NaHO3 + NaCl, the equivalent weight of Na2CO3 is________________?
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MCQs: The unit of Cp in S.I. units is___________________?
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MCQs: Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half will result in _____________ in the volume of the gas?
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MCQs: 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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MCQs: Refluxing of part of the distillate in a fractionating column is a ‘recycling operation’, aimed primarily at_______________?
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MCQs: The rate of material _____________ is zero in case of a steady state system?
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MCQs: Pick out the wrong unit conversion of heat transfer co-efficient?
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MCQs: Viscosity of atmospheric air may be about _____________ centipoise?
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MCQs: Kopp’s rule is concerned with the calculation of__________________?
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MCQs: Validity of the relationship, inputs = outputs, holds good for the system at steady state________________?
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MCQs: At standard conditions, N2 + 2O2 ⇌ 2NO2; ΔG° = 100 kJ/mole NO + ½O2 ⇌ 2NO2; ΔG° = -35 kJ/mole The standard free energy of formation of NO in kJ/mole is___________________?
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MCQs: A bypass stream in a chemical process is useful, because it___________________?
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MCQs: Which of the following expressions defines the Baume gravity scale for liquids heavier than water ?
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MCQs: The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies________________?
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MCQs: The effect of pressure on the heat capacity of the gases ______________ is negligible?
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MCQs: The osmotic pressure of a solution increases, if its _____________ is decreased?
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MCQs: A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the ____________________?
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