Stoichiometry The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation Increases with pressure rise Becomes zero at the critical point Decreases with increasing pressure Both B & C Increases with pressure rise Becomes zero at the critical point Decreases with increasing pressure Both B & C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The molar composition of a gas is 10% H₂, 10% O₂, 30% CO₂ and balance H₂O. If 50% H₂O condenses, the final mole percent of H₂ in the gas on a dry basis will be be 0.05 0.1818 0.2 0.1 0.05 0.1818 0.2 0.1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature. Decreases Does not vary Increases Varies linearly Decreases Does not vary Increases Varies linearly ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With rise in temperature, the heat capacity of a substance Decreases Remains unchanged Increases Either A or B; depends on the substance Decreases Remains unchanged Increases Either A or B; depends on the substance ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a colligative property? Lowering of vapor pressure Osmotic pressure None of these Depression of freezing point Lowering of vapor pressure Osmotic pressure None of these Depression of freezing point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Sodium __________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature. Carbonate (monohydrate) Chloride Thiosulphate Bisulphite Carbonate (monohydrate) Chloride Thiosulphate Bisulphite ANSWER DOWNLOAD EXAMIANS APP