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 The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the Percentage saturation None of these Relative humidity Relative saturation Percentage saturation None of these Relative humidity Relative saturation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The value of (Cp - Cv)for a real gas obeying Vander Wall's equation is R 0.5 R < R > R R 0.5 R < R > R ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat of vaporisation __________ with increase in pressure. Both B and C Becomes zero at critical pressure Decreases Increases Both B and C Becomes zero at critical pressure Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H₂ produced will be __________ gm. gm. 3 5 1 0.5 3 5 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour Is a function of the liquid phase composition Measures the elevation in boiling point Is not dependent on the temperature Measures the depression in freezing point Is a function of the liquid phase composition Measures the elevation in boiling point Is not dependent on the temperature Measures the depression in freezing point ANSWER DOWNLOAD EXAMIANS APP