Stoichiometry Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at None of these Yield enhancement Heat conservation Product enrichment None of these Yield enhancement Heat conservation Product enrichment ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The crystallisation of a solute from a solution may be done by Removal of pure solvent by evaporation All of these Change of temperature thereby causing supersaturation Changing the nature of the system by the addition of a more soluble material Removal of pure solvent by evaporation All of these Change of temperature thereby causing supersaturation Changing the nature of the system by the addition of a more soluble material ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The most convenient way of expressing solution concentration is in terms of Mole fraction Normality Molarity Molality Mole fraction Normality Molarity Molality ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a binary liquid system, the composition expressed as __________ is independent of the temperature & pressure. Kg-mole of solute/kg-mole of solvent Kg of solute/kg of solvent Kg-mole of solute/1000 kg of solvent All of these Kg-mole of solute/kg-mole of solvent Kg of solute/kg of solvent Kg-mole of solute/1000 kg of solvent All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is (C₂H₄)2H₂.OH C₃H21OH C2H33OH C₄H9OH (C₂H₄)2H₂.OH C₃H21OH C2H33OH C₄H9OH 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 Kmole/m².s.Pa M/s Cm/s Mole/m².s.Pa Kmole/m².s.Pa M/s Cm/s ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS