Stoichiometry Disappearance of snow in subzero weather exemplifies the process of Evaporation Vaporisation Melting Sublimation Evaporation Vaporisation Melting Sublimation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at Heat conservation None of these Product enrichment Yield enhancement Heat conservation None of these Product enrichment Yield enhancement ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With increase in the solute concentration, the specific heat of aqueous solutions Increases Remains unchanged Decreases Either A or B; depends on the type of solution Increases Remains unchanged Decreases Either A or B; depends on the type of solution ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Number of gram equivalent of solute dissolved in one litre of solution is called its Molality Molarity Normally Formality Molality Molarity Normally Formality ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Kopp's rule is useful for the determination of Heat capacities of gases Activation energy Heat capacities of solids Molal heat capacities of gases Heat capacities of gases Activation energy Heat capacities of solids Molal heat capacities of gases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pure aniline is evaporating through a stagnant air film of 1 mm thickness at 300 K and a total pressure of 100 KPa. The vapor pressure of aniline at 300 K is 0.1 KPa. The total molar concentration under these conditions is 40.1 mole/m³ . The diffusivity of aniline in air is 0.74xl0-5m²/s.The numerical value of mass transfer co-efficient is 7.4 x 10-3. Its units are Mole/m².s.Pa M/s Cm/s Kmole/m².s.Pa Mole/m².s.Pa M/s Cm/s Kmole/m².s.Pa ANSWER DOWNLOAD EXAMIANS APP