24701. Which of the following has the smallest least effect on the solubility of a solute into the solvent ?
24702. 1 Kcal/kg. °C is equivalent to __________ BTU/lb. °F.
24703. One 'Therm' is equivalent to
24704. A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be
24705. A car tyre of volume 0.057 m3 is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is
24706. According to the kinetic theory, the thermal conductivity of a monoatomic gas is proportional to
24707. Volume occupied by one gm mole of a gas at S.T.P. is
24708. Vapor pressure of a solution is proportional to(where, Sv and St are mole fraction of solvent and solute respectively).
24709. In which of the following case of mixing of a strong acid with strong base (each of 1N concentration), temperature increase will be the highest ?
24710. The quantity of heat required to evaporate 1 kg of a saturated liquid is called
24711. The vapour pressure of water is given by, in Psat = A - (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K.The vapor pressure of water in atm. at 50°C is approximately
24712. A vapor whose partial pressure is less than its equilibrium vapor pressure is called the __________ vapor.
24713. Which sector is more restricted in terms of Foreign Direct investment?
24714. Who owns the record of fastest century in Test Cricket?
24715. The value of (Cp - Cv)for a real gas obeying Vander Wall's equation is
24716. A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO2, 0.05 gm mole of oxygen and 0.80 gm mole of N2. What is its molecular weight ?
24717. A gaseous mixture contains 14 kg of N2, 16 kg of O2 and 17 kg of NH3. The mole fraction of oxygen is
24718. For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction)
24719. Isotopes are atoms having the same
24720. 500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be __________ mm Hg.
24721. Which of the following terms of Vander Walls equation of state for a non-ideal gas accounts for intermolecular forces ?
24722. What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20) ?
24723. The average value of heat of neutralisation of dilute solution of strong acids and strong bases is about __________ kcal/kg.mole of water formed.
24724. In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is
24725. For an ideal gas, the compressibility factor
24726. The critical temperature of Indian Cattle is---------
24727. According to PFA rules standardized milk contains
24728. Sodium __________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature.
24729. Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent ?
24730. If the partial pressure of the solvent in the vapor phase is equal to the vapor pressure of the solvent at that temperature, then the system is said to be at its
24731. At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature.
24732. Microorganism that can multiply only inside a living cell is-----------
24733. Disappearance of snow in subzero weather exemplifies the process of
24734. A gas mixture contains 6 moles of H2 and 2 moles of N2. If the total pressure of the gaseous mixture is 4 kgf/cm2 ; then the partial pressure of N2 in the mixture will be __________ kgf/cm2 .
24735. How much O2 can be obtained from 90 kg of water ?
24736. The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. The temperature at which the above mixture will exert a pressure of one standard atm. is
24737. A solution of specific gravity 1 consists of 35% A by weight and the remaining B. If the specific gravity of A is 0.7, the specific gravity of Bis
24738. Choose the method for selecting breeding bulls
24739. The accumulation in a steady state combustion process, burning 1 kg mole of carbon with 1 kg mole of oxygen thereby producing 1 kg mole of carbon dioxide, is __________ kg mole.
24740. Addition of a non-volatile solute to a pure solvent
24741. The depression in freezing point of a solution is
24742. For the gaseous phase reaction, N2 + O22NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by
24743. Good quality bio-gas has a composition of-----------
24744. In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is
24745. Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is
24746. Human milk is --------than cow milk
24747. Normality of a solution does not change with the increase in the
24748. No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules
24749. With increase in the solute concentration, the specific heat of aqueous solutions