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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MCQs: An aqueous solution of 2.45% by weight H2SO4 has a specific gravity of 1.011. The composition expressed in normality is______________?
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MCQs: 1 torr is equivalent to_________________?
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MCQs: At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to___________________?
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MCQs: A ‘limiting reactant’ is the one, which decides the ____________ in the chemical reaction?
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MCQs: Heat of reaction is not influenced by__________________?
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MCQs: If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will_________________?
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MCQs: Gases diffuse faster compared to liquids because of the reason that the liquid molecules_________________?
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MCQs: Enthalpy of formation of NH3 is – 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH3 → N2 + 3H2, is equal to _____________ kJ/kg. mole?
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MCQs: A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is__________________?
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MCQs: Increasing the temperature of an aqueous solution will cause decrease in its________________?
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MCQs: Cp is expressed in S.I. unit as_______________?
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MCQs: In osmosis through a semi-permeable membrane, diffusion of the___________________?
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