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 Boiling point of a solution as compared to that of the corresponding solvent is Less Either more or less; depends upon the solvent Same More Less Either more or less; depends upon the solvent Same More ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature. Varies linearly Does not vary Decreases Increases Varies linearly Does not vary Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry CaCO₃ contains __________ percent of Ca by weight. 40 48 12 96 40 48 12 96 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The most convenient way of expressing solution concentration is in terms of Mole fraction Normality Molality Molarity Mole fraction Normality Molality Molarity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat of vaporisation __________ with increase in pressure. Becomes zero at critical pressure Decreases Both B and C Increases Becomes zero at critical pressure Decreases Both B and C Increases ANSWER DOWNLOAD EXAMIANS APP
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