Stoichiometry 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 ) ? Both B and C ΔH = 0 ΔV = 0 ΔH = 1 (+ ve)and Δ V = -ve Both B and C ΔH = 0 ΔV = 0 ΔH = 1 (+ ve)and Δ V = -ve ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the Nature of both the gas & the liquid None of these Total pressure Temperature Nature of both the gas & the liquid None of these Total pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 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.? 0.2 0.6 0.1 0.4 0.2 0.6 0.1 0.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In __________ process, ions of salts react with water to produce acidity or alkalinity. Hydration Hydrolysis Electrolysis Dialysis Hydration Hydrolysis Electrolysis Dialysis ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation. Relative saturation Wet bulb temperature Dry bulb temperature Humidity Relative saturation Wet bulb temperature Dry bulb temperature Humidity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vapor that exists above its critical temperature is termed as a __________ vapor. Gaseous Sub-cooled Unsaturated Saturated Gaseous Sub-cooled Unsaturated Saturated ANSWER DOWNLOAD EXAMIANS APP