Stoichiometry The evaporation of aqueous solution of sugar causes its molarity to Remain unchanged. increase. Either A or B; depends on the concentration of the solution. Decrease. Remain unchanged. increase. Either A or B; depends on the concentration of the solution. Decrease. ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The density of a gas at N.T.P.is 'ρ'. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75ρ at a temperature of __________ °K 400° 300° 273° 300° 400° 300° 273° 300° ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. The temperature at which the above mixture will exert a pressure of one standard atm. is 110.6°C 100°C Less than 100°C Between 100 and 110°C 110.6°C 100°C Less than 100°C Between 100 and 110°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 kg of calcium carbide (CaC₂) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour? 10 20 15 5 10 20 15 5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Measurement of the amount of dry gas collected over water from volume of moist gas is based on the Charle's law Boyle's law Dalton's law of partial pressures Avogadro's hypothesis Charle's law Boyle's law Dalton's law of partial pressures Avogadro's hypothesis ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of mass transfer co-efficient. 1 kg/hr.m².atm= 0.98687 kg/hr. m .bar 1 lb/hr . ft² = 4.8823 kg/hr . m² 1 lb/hr.ft³.atm. = 4.8182 kg/hr.m².bar 1 kg/hr . m² = 4.8823 lb/hr . ft² 1 kg/hr.m².atm= 0.98687 kg/hr. m .bar 1 lb/hr . ft² = 4.8823 kg/hr . m² 1 lb/hr.ft³.atm. = 4.8182 kg/hr.m².bar 1 kg/hr . m² = 4.8823 lb/hr . ft² ANSWER DOWNLOAD EXAMIANS APP