Stoichiometry Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at Heat conservation Product enrichment None of these Yield enhancement Heat conservation Product enrichment None of these Yield enhancement ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20)? AB₃ A₂B₃ A₂B AB₂ AB₃ A₂B₃ A₂B AB₂ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In osmosis through a semi-permeable membrane, diffusion of the Solute takes place Solvent is from low concentration to high concentration region None of these Solvent is from high concentration to low concentration region Solute takes place Solvent is from low concentration to high concentration region None of these Solvent is from high concentration to low concentration region ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is an exothermic reaction? Conversion of graphite to diamond Decomposition of water None of these Dehydrogenation of ethane to ethylene Conversion of graphite to diamond Decomposition of water None of these Dehydrogenation of ethane to ethylene ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the partial pressure of the solvent in the vapor phase is equal to the vapor pressure of the solvent at that temperature, then the system is said to be at its Both B and C Bubble point Saturation temperature Dew point Both B and C Bubble point Saturation temperature Dew point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One micron is equal to Both B & C 10⁻⁶ m 10⁻⁴ mm 10⁻⁴ cm Both B & C 10⁻⁶ m 10⁻⁴ mm 10⁻⁴ cm ANSWER DOWNLOAD EXAMIANS APP
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