Stoichiometry Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at Heat conservation Yield enhancement Product enrichment None of these Heat conservation Yield enhancement Product enrichment None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Variation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the Volume in the liquid state is negligible compared with that in the vapor state Vapor follows the ideal gas law Molal latent heat of vaporisation is constant within the limited temperature range All of these Volume in the liquid state is negligible compared with that in the vapor state Vapor follows the ideal gas law Molal latent heat of vaporisation is constant within the limited temperature range All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature. It will not solidify even on The solvent begins to freeze out even before None of these It will undergo no change until It will not solidify even on The solvent begins to freeze out even before None of these It will undergo no change until ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The combustion equations of carbon and carbon monoxide are as follows: C + O₂ = CO₂, ΔH = - 394 kJ/kg . mole CO + 1/2 O₂ = CO₂, ΔH = - 284.5 kJ/kg. mole. The heat of formation of CO is __________ kJ/kg. mole. +109.5 +180 +100 -109.5 +109.5 +180 +100 -109.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The number of atoms of oxygen present in 11.2 litres of ozone (O₃) at N.T.P. are 6.02 x 10²³ 9.03 x 10²⁴ 3.01 x 10²² 1.20 x 10²⁴ 6.02 x 10²³ 9.03 x 10²⁴ 3.01 x 10²² 1.20 x 10²⁴ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise. Sodium chloride Sodium carbonate monohydrate Hypo Anhydrous sodium sulphate Sodium chloride Sodium carbonate monohydrate Hypo Anhydrous sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
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