A. 40732
B. 2676
C. 2263
D. 540
Correct Answer: 2263 ✔
Last Updated: March 05, 2019
Related MCQs
- The hydroxyl ion (OH-) concentration in a solution having pH value 3 will be__________?
- For estimation of heat capacity of a solid compound, one can use__________?
- 40 gms each of the methane and oxygen are mixed in an empty container maintained at 40°C. The fraction of the total pressure exerted by oxygen is__________?
- Which of the following holds good for a solution obeying Raoult’s law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing) ?
- The heat change for the reaction, C(s) + 2S(s) → CS2(l), is 104.2 kJ. It represents the heat of__________?
- Raoult’s law is obeyed by a __________ solution?
- On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes__________?
- Cp equals Cv at__________?
- Which of the following ratios defines the recycle ratio in a chemical process ?
- N2 content in a urea sample was found to be only 42%. What is the actual urea content of the sample? (Molecular weight of urea = 60) ?
- The number of atoms of oxygen present in 11.2 litres of ozone (O3) at N.T.P. are__________?
- Diffusion is that property by virtue of which a perfume bottle when opened up in a room, makes the whole room fragrant with its smell. If a perfume ‘X’ diffuses twice as fast as another perfume ‘Y’; what is the molecular weight of ‘Y’, if the vapor density of gas ‘X’ is 2? Molecular weight of gas ‘X’ is to be assumed to be 2 ?
- A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the __________?
- The osmotic pressure of a solution increases, if its __________ is decreased?
- The effect of pressure on the heat capacity of the gases __________ is negligible?
- The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies__________?
- Which of the following expressions defines the Baume gravity scale for liquids heavier than water ?
- A bypass stream in a chemical process is useful, because it__________?
- At standard conditions, N2 + 2O2 ⇌ 2NO2; ΔG° = 100 kJ/mole NO + ½O2 ⇌ 2NO2; ΔG° = -35 kJ/mole The standard free energy of formation of NO in kJ/mole is__________?
- Validity of the relationship, inputs = outputs, holds good for the system at steady state__________?
- Kopp’s rule is concerned with the calculation of__________?
- Viscosity of atmospheric air may be about __________ centipoise?
- Pick out the wrong unit conversion of heat transfer co-efficient?
- The rate of material __________ is zero in case of a steady state system?
- Refluxing of part of the distillate in a fractionating column is a ‘recycling operation’, aimed primarily at__________?
- If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will __________?
- Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half will result in __________ in the volume of the gas?
- The unit of Cp in S.I. units is__________?
- In the reaction, represented by Na2CO3 + HC1 → NaHO3 + NaCl, the equivalent weight of Na2CO3 is__________?
- Real gases approach ideal behaviour at__________?
- Cp – Cv for an ideal gas is equal to__________?
- The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg ?
- 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__________?
- At higher temperature, molal heat capacities of most of the gases (at constant pressure) __________ with increase in temperature?
- For water evaporating into unsaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation ?
- Kinematic viscosity of 1 m2 /second is equivalent to __________ stokes?
- A vessel of volume 1000 m3 contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately ?
- The maximum adiabatic flame temperature of fuels in air is __________ the maximum flame temperature in pure oxygen?
- During a phase change process like sublimation, vaporisation, melting etc., the specific __________ does not change?
- Enthalpy of a vapor gas mixture may be increased by increasing the__________?
- The vapor pressure of liquids (having similar chemical nature) at any specified temperature __________ with increasing molecular weight?
- Sometimes, in chemical processes, a part of the outlet stream is rejected as waste in order to keep the impurity level in the system within limits. This phenomenon is termed as the__________?
- The average translational kinetic energy with which a gas molecule is endowed is dependent on its__________?
- Heat of reaction is a function of the__________?
- 2 litres of nitrogen at N.T.P. weighs __________ gms ?
- At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?
- The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent?
- Boiling point of a non-homogeneous mixture of immiscible liquids is __________ that of any one of its separate components?
- The crystallisation of a solute from a solution may be done by__________?
- Except for monatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K?
- 1 kg/m2 is equal to __________ mm water column?