Stoichiometry Mcqs for Chemical


Q.  The quantity of heat required to evaporate 1 kg of a saturated liquid is called __________________?

a. Specific heat
b. 1 Kcal
c. Sensible heat
d. Latent heat


ANSWER: See Answer
 
No explanation is available for this question!
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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MCQs:  In the reaction; N2 + O2 ⇌ 2NO, increasing the pressure will result in_________________?
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MCQs:  At a given temperature, the volume of a gas dissolved in a solvent _______________ with increase in pressure?
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MCQs:  ____________ does not change during phase transformation processes like sublimation, melting & vaporisation?
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MCQs:  At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is____________________?
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