Stoichiometry pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be 14 7 10 14 7 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a neutral solution OH⁻ ions are absent None of these H⁺ ions are absent Both H⁺ and OH⁻ ions are present in very small but equal concentration OH⁻ ions are absent None of these H⁺ ions are absent Both H⁺ and OH⁻ ions are present in very small but equal concentration ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vessel of volume 1000 m³ contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately 20 34 25 17 20 34 25 17 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The OH⁻ concentration in a solution having pH value 3 is 10-10 10-3 10-13 10-11 10-10 10-3 10-13 10-11 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. 5.4 54 2.7 27 5.4 54 2.7 27 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry N₂ content in a urea sample was found to be only 42%. What is the actual urea content of the sample ? (molecular weight of urea = 60) 0.9 0.8 0.95 0.98 0.9 0.8 0.95 0.98 ANSWER DOWNLOAD EXAMIANS APP