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 27 54 2.7 5.4 27 54 2.7 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 80 kg of Na₂SO₄ (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na₂SO₄ .10H₂O crystals separate out. The weight fraction of Na₂SO₄ in the remaining solution is 1 0.18 0.24 1 0.18 0.24 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Claussius Clapeyron equation applies to the __________ process. Melting Vaporisation Sublimation All of these Melting Vaporisation Sublimation All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________ 1020 1023 1019 1026 1020 1023 1019 1026 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Boiling point of a non-homogeneous mixture of immiscible liquids is __________ that of any one of its separate components. Lower than Equal to Higher than Either A or B; depends on the liquids Lower than Equal to Higher than Either A or B; depends on the liquids ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become 3P P/3 9P 9P² 3P P/3 9P 9P² ANSWER DOWNLOAD EXAMIANS APP