Stoichiometry On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes 4 1 8 2 4 1 8 2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a pure solvent Both B and C Increases its freezing point Decreases its freezing point Increases its boiling point Both B and C Increases its freezing point Decreases its freezing point Increases its boiling point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Concentration of a solution expressed in terms of __________ is independent of temperature. None of these Molarity Molality Normality None of these Molarity Molality Normality ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A liquid is in equilibrium with its vapor at its boiling point. On an average, the molecules in the liquid and gaseous phases have equal Intermolecular forces of attraction Kinetic energy Potential energy Total energy Intermolecular forces of attraction Kinetic energy Potential energy Total energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The latent heat of vaporisation Decreases as pressure increases Becomes zero at the critical point All of these Decreases with increased temperature Decreases as pressure increases Becomes zero at the critical point All of these Decreases with increased temperature 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 Number of intermediate chemical reactions involved State of aggregation & the state of combination at the beginning & the end of the reaction None of these Temperature & pressure Number of intermediate chemical reactions involved State of aggregation & the state of combination at the beginning & the end of the reaction None of these Temperature & pressure ANSWER DOWNLOAD EXAMIANS APP
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