Stoichiometry In a neutral solution OH⁻ ions are absent H⁺ ions are absent None of these Both H⁺ and OH⁻ ions are present in very small but equal concentration OH⁻ ions are absent H⁺ ions are absent None of these Both H⁺ and OH⁻ ions are present in very small but equal concentration ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of calorific value. 1 BTU/ft³ = 8.9 kcal/m³ = 0.038 MJ/m³ 1 BTU/lb = 2.3 kcal/kg 1 kcal/m³ = 0.1124 BTU/ft³ 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg 1 BTU/ft³ = 8.9 kcal/m³ = 0.038 MJ/m³ 1 BTU/lb = 2.3 kcal/kg 1 kcal/m³ = 0.1124 BTU/ft³ 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and water at these conditions are PvB and Pvw respectively. The partial pressure of benzene in air-vapour mixture is XB.PvB PvB (Patm - Pvw)xB XB.Patm XB.PvB PvB (Patm - Pvw)xB XB.Patm ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One 'Therm' is equivalent to 10⁹ kcal 10⁵ kcal 10⁹ BTU 10⁵ BTU 10⁹ kcal 10⁵ kcal 10⁹ BTU 10⁵ BTU ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Solution made by dissolving equimolar amounts of different solutes in the same amount of a given solvent will have the Same elevation in boiling point Different elevation in boiling point None of these Elevation in boiling point in the ratio of their molecular weights Same elevation in boiling point Different elevation in boiling point None of these Elevation in boiling point in the ratio of their molecular weights ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is H₂O > CS₂ > C₂H₅OH CS₂ > H₂O > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > C₂H₅OH > H₂O H₂O > CS₂ > C₂H₅OH CS₂ > H₂O > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > C₂H₅OH > H₂O ANSWER DOWNLOAD EXAMIANS APP