MCQs: Heat of neutralisation of HCl and NaOH is – 57.46 kJ/Kg mole. The heat of ionisation of water will be _____________ kJ/Kg mole?
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MCQs: 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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MCQs: Raoult’s law is not applicable to the___________________?
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MCQs: pH value of H2SO4 (5% concentration) is__________________?
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MCQs: Kinetic theory of gases stipulates that, the____________________?
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MCQs: The OH- concentration in a solution having pH value 3 is____________________?
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MCQs: The vapor pressure of water at 100°C is__________________?
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MCQs: Heat of transition is the heat evolved or absorbed, when a substance is converted from_________________?
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MCQs: Acidity or alkanity of a solution is expressed by its pH value, which is defined as (where, [H+] = hydrogen ion concentration in the solution) ?
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MCQs: _____________ fuels require the maximum percentage of ‘excess air’ for complete combustion ?
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MCQs: The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation_________________?
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MCQs: In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is__________________?
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MCQs: 1m3 is approximately equal to_________________?
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MCQs: Which of the following gravity scales is used exclusively for liquids heavier than water ?
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MCQs: “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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MCQs: Internal energy is independent of the ____________ for an ideal gas?
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MCQs: Recycling in a chemical process facilitates___________________?
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MCQs: The temperature at which a real gas obeys Boyle’s law is termed as the__________________?
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MCQs: A long cylinder and a sphere both of 5 cms diameter are made from the same porous material. The flat ends of cylinder are sealed. Both the cylinder and sphere are saturated with the same solution of sodium chloride. Later both the objects are immersed for a short and equal interval of time in a large tank of water which is well agitated. The fraction of salt remaining in the cylinder and the sphere are Xc and Xs respectively. Which of the following statement is correct ?
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MCQs: The density of a gas at N.T.P.is ‘ρ’. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75 ρ at a temperature of ____________ °K?
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