Stoichiometry pH value of an alkaline solution is > 7 < 7 7 Constant over a wide range > 7 < 7 7 Constant over a wide range ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will None of these Increase two times Be reduced to l/4th Increase four times None of these Increase two times Be reduced to l/4th Increase four times ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times. 70 20 100 10 70 20 100 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 kg of calcium carbide (CaC₂) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour? 10 20 15 5 10 20 15 5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Vapor pressure of a solution is proportional to(where, Sv and St are mole fraction of solvent and solute respectively). 1/Sv 1/St Sv St 1/Sv 1/St Sv St ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The value of Trouton's ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kis-tyakowsky equation is used for calculation of Trouton's ratio of __________ liquids. Polar Both A & B Non-polar Neither A nor B Polar Both A & B Non-polar Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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