Stoichiometry Colligative properties of a dilute solution are those, which depend entirely upon the Number of solute molecules contained in a given volume of the solvent Constitution of the solute Chemical composition of the solute None of these Number of solute molecules contained in a given volume of the solvent Constitution of the solute Chemical composition of the solute None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The crystallisation of a solute from a solution may be done by Removal of pure solvent by evaporation Changing the nature of the system by the addition of a more soluble material All of these Change of temperature thereby causing supersaturation Removal of pure solvent by evaporation Changing the nature of the system by the addition of a more soluble material All of these Change of temperature thereby causing supersaturation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The effect of pressure on the heat capacity of the gases __________ is negligible. Below the critical temperature Both A & B Neither A nor B At pressure below one atmosphere Below the critical temperature Both A & B Neither A nor B At pressure below one atmosphere ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vessel of volume 1000 m³ contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately 17 34 20 25 17 34 20 25 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________ 1019 1026 1020 1023 1019 1026 1020 1023 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of heat transfer co-efficient. 1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C 1 W/m² . °C = 0.1761 BTU/ft².hr.°F 1 kcal/m².hr.°K = 1.163 W/m².°C 1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K 1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C 1 W/m² . °C = 0.1761 BTU/ft².hr.°F 1 kcal/m².hr.°K = 1.163 W/m².°C 1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K ANSWER DOWNLOAD EXAMIANS APP