EXAMIANS
Which of the following is insensitive to changes in pressure?
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Avogadro's number is equal to
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The depression in freezing point of a solution is
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A reduction process is accompanied with increase in the
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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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For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction)
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One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH₄ + 2O₂ → CO₂ + 2H₂O. Both the reactants and products are in gas phase. ΔH°298 = - 730 kJ/mole of methane. Mole fraction of water vapour in the product gases is about
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Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10⁻³ T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to - 100°C is
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Na₂SO₄. 10H₂O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na₂SO₄. The final concentration of the solute in the solution is 10%. The weight of crystals is
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__________ kg of CaCO₃ on heating will give 56 kg of CaO.
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