Q. Sodium __________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature.

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Q. Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent ?

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Q. 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

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Q. At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature.

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Q. Pick out the wrong unit conversion.

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Q. Pick out the wrong unit conversion.

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Q. 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.

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Q. Addition of a non-volatile solute to a pure solvent

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Q. The depression in freezing point of a solution is

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Q. For the gaseous phase reaction,

N₂ + O₂ ↔ 2NO, ΔH = + 80 kJ/kg. mole;

the decomposition of NO is favoured by

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Q. Pick out the correct statement.

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Q. 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

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Q. 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

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Q. Pick out the correct statement.

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Q. Normality of a solution does not change with the increase in the

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Q. For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction)

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Q. Isotopes are atoms having the same

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Q. 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.

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Q. Which of the following terms of Vander Walls equation of state for a non-ideal gas accounts for intermolecular forces ?

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Q. What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20) ?

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