Stoichiometry Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at Product enrichment Yield enhancement None of these Heat conservation Product enrichment Yield enhancement None of these Heat conservation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation Decreases with increasing pressure Becomes zero at the critical point Increases with pressure rise Both B & C Decreases with increasing pressure Becomes zero at the critical point Increases with pressure rise Both B & C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At a temperature of 0°K, the molecules of a gas have only __________ energy. Vibrational Rotational None of these Translational Vibrational Rotational None of these Translational ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Atoms of the same element, but of different masses are called None of these Isotopes Isotones Isobars None of these Isotopes Isotones Isobars ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In the reaction, Ca + 2H₂O = Ca(OH)₂ + H₂ ; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water? (atomic weight of calcium = 40) 0.4 4480 2240 1120 0.4 4480 2240 1120 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Methane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is 2 3 1 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
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