Stoichiometry Addition of a non-volatile solute to a pure solvent Increases its boiling point Increases its freezing point Both B and C Decreases its freezing point Increases its boiling point Increases its freezing point Both B and C Decreases its freezing point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If 1.5 moles of oxygen combines with aluminium to form Al2O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm. 2.7 27 54 5.4 2.7 27 54 5.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal __________ in the two phases. Kinetic energy Potential energy Total energy Intermolecular forces Kinetic energy Potential energy Total energy Intermolecular forces ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature. Increases Decreases Does not vary Varies linearly Increases Decreases Does not vary Varies linearly ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In __________ process, ions of salts react with water to produce acidity or alkalinity. Electrolysis Hydration Dialysis Hydrolysis Electrolysis Hydration Dialysis Hydrolysis ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules Collide without loss of energy Exert no attractive force on each other Do work equal to loss in kinetic energy Are above the inversion temperature Collide without loss of energy Exert no attractive force on each other Do work equal to loss in kinetic energy Are above the inversion temperature ANSWER DOWNLOAD EXAMIANS APP
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