Stoichiometry If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times. 70 100 10 20 70 100 10 20 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Dry air is a mixture of Vapors Gases Both A & B Neither A nor B Vapors Gases Both A & B Neither A nor B 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 54 27 5.4 2.7 54 27 5.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids (having similar chemical nature) at any specified temperature __________ with increasing molecular weight. Increases linearly Increases Remains unchanged Decreases Increases linearly Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy of a vapor gas mixture may be increased by increasing the Humidity at constant temperature Temperature at constant humidity Temperature and the humidity All of these Humidity at constant temperature Temperature at constant humidity Temperature and the humidity All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry How much O₂ can be obtained from 90 kg of water? 64 kg 32 kg 80 kg 90 kg 64 kg 32 kg 80 kg 90 kg ANSWER DOWNLOAD EXAMIANS APP