Stoichiometry If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times. 10 70 20 100 10 70 20 100 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.? 0.4 0.1 0.2 0.6 0.4 0.1 0.2 0.6 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a pure solvent Both B and C Increases its freezing point Increases its boiling point Decreases its freezing point Both B and C Increases its freezing point Increases its boiling point Decreases its freezing point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Atmospheric pressure corresponds to a hydrostatic head of 13.6 cms of Hg 1 metre of H₂O 34 ft ofH₂O 13.6 metres of Hg 13.6 cms of Hg 1 metre of H₂O 34 ft ofH₂O 13.6 metres of Hg ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature. None of these It will undergo no change until The solvent begins to freeze out even before It will not solidify even on None of these It will undergo no change until The solvent begins to freeze out even before It will not solidify even on ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state. More Either A or B; depends on the nature of the substance Less Same More Either A or B; depends on the nature of the substance Less Same ANSWER DOWNLOAD EXAMIANS APP
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