EXAMIANS
Real gases approach ideal behaviour at
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Heat of solution in a system in which both solute and solvent are liquids is termed as
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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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How much O₂ can be obtained from 90 kg of water?
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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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2 litres of nitrogen at N.T.P. weighs __________ gms.
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A solution with reasonably permanent pH is called a/an __________ solution.
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The depression in freezing point of a solution is
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Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because
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A reduction process is accompanied with increase in the
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