Stoichiometry The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour Measures the elevation in boiling point Measures the depression in freezing point Is not dependent on the temperature Is a function of the liquid phase composition Measures the elevation in boiling point Measures the depression in freezing point Is not dependent on the temperature Is a function of the liquid phase composition ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Gases diffuse faster compared to liquids because of the reason that the liquid molecules Are held together by stronger inter-molecular forces Have no definite shape Move faster Are heavier Are held together by stronger inter-molecular forces Have no definite shape Move faster Are heavier ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry How much O₂ can be obtained from 90 kg of water? 80 kg 90 kg 64 kg 32 kg 80 kg 90 kg 64 kg 32 kg ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the State of aggregation & the state of combination at the beginning & the end of the reaction Number of intermediate chemical reactions involved Temperature & pressure None of these State of aggregation & the state of combination at the beginning & the end of the reaction Number of intermediate chemical reactions involved Temperature & pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With increase in temperature, the surface tension of water Increases Increases linearly Decreases Remains constant Increases Increases linearly Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For a neutral solution (pH = 7), the value of[H⁺] [OH⁻] is equal to < 1 > 1 1 < 1 > 1 1 ANSWER DOWNLOAD EXAMIANS APP
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