Stoichiometry Mcqs for Chemical


Q.  The temperature of a gas in a closed container is 27° C. If the temperature of the gas is increased to 300° C, then the pressure exerted is___________________?

a. Doubled
b. Halved
c. Trebled
d. Unpredictable


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?
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MCQs:  If a solution of eutectic composition is cooled, _______________ reaching the eutectic temperature ?
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MCQs:  The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be _____________ times?
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MCQs:  The molar composition of a gas is 10% H2, 10% O2, 30% CO2 and balance H2O. If 50% H2O condenses, the final mole percent of H2 in the gas on a dry basis will be_______________?
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MCQs:  _________________ chart is a graph related to Antoine equation ?
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MCQs:  The viscosity of water at room temperature may be around one ___________________?
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MCQs:  80 kg of Na2SO4 (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na2SO4 .10H2O crystals separate out. The weight fraction of Na2SO4 in the remaining solution is_________________?
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MCQs:  Clausius Clapeyron equation applies to the _____________ process?
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MCQs:  Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity? Vapour pressure of water at 20°C is 17.5 mm Hg?
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MCQs:  The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________________?
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MCQs:  Atmospheric pressure corresponds to a hydrostatic head of_________________?
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MCQs:  On mixing 56 gm of CaO with 63 gm of HNO3, the amount of Ca(NO3)2 formed is ______________ gm?
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MCQs:  At a temperature of 0°K, the molecules of a gas have only _______________ energy?
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MCQs:  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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MCQs:  The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal _____________ in the two phases?
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MCQs:  A butane isomerisation process produces 70 k.mole/hr of pure iso-butane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be_________________?
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MCQs:  Which of the following is an undesirable characteristic of a refrigerant ?
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MCQs:  Sound waves propagation in air exemplifies an ______________ process?
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MCQs:  Work done may be calculated by the expression ∫ p dA for _____________ processes ?
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MCQs:  1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be ?
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