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. Four fold increase L/4th reduction No change Doubling TRUE ANSWER : ? YOUR ANSWER : ?
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 . 4 2 8 1 TRUE ANSWER : ? YOUR ANSWER : ?
In a binary liquid solution of components A and B, if component A exhibits positive deviation from Raoult's law, then component B May exhibit either positive or negative deviation from Raoult's law Exhibits negative deviation from Raoult's law Obeys Raoult's law Exhibits positive deviation from Raoult's law TRUE ANSWER : ? YOUR ANSWER : ?
A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is 13728 J 19206 J 12712 J 4576 J TRUE ANSWER : ? YOUR ANSWER : ?
Heat of transition is the heat evolved or absorbed, when a substance is converted from One allotropic form to another allotropic form Solid to liquid Vapor to solid Vapor to liquid TRUE ANSWER : ? YOUR ANSWER : ?
In a binary liquid system, the composition expressed as __________ is independent of the temperature & pressure. Kg-mole of solute/1000 kg of solvent All of these Kg of solute/kg of solvent Kg-mole of solute/kg-mole of solvent TRUE ANSWER : ? YOUR ANSWER : ?
Solution made by dissolving equimolar amounts of different solutes in the same amount of a given solvent will have the Different elevation in boiling point Elevation in boiling point in the ratio of their molecular weights None of these Same elevation in boiling point TRUE ANSWER : ? YOUR ANSWER : ?
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 110.6°C Less than 100°C 100°C Between 100 and 110°C TRUE ANSWER : ? YOUR ANSWER : ?
Increasing the temperature of an aqueous solution will cause decrease in its Molality Molarity Mole fraction Weight percent TRUE ANSWER : ? YOUR ANSWER : ?