Stoichiometry Addition of a non-volatile solute to a solvent produces a __________ in its solvent. All of these Freezing point elevation Boiling point depression Vapor pressure lowering All of these Freezing point elevation Boiling point depression Vapor pressure lowering ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The reverse process of fractional crystallisation is called Stripping Leaching Absorption Differential distillation Stripping Leaching Absorption Differential distillation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The chemical nature of an element is independent of The number of neutrons present in it Its atomic number None of these The number of protons or electrons present in it The number of neutrons present in it Its atomic number None of these The number of protons or electrons present in it ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times. 4 43832 43834 √2 4 43832 43834 √2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry What is the total pressure exerted by a mixture of 0.45 kg mole of benzene, 0.44 kg mole of toluene and 0.23 kg mole of o-xylene at 100°C, if their vapor pressures at 100°C are 1340, 560 and 210 mmHg respectively? 880.5 756.2 801.5 780.5 880.5 756.2 801.5 780.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is an exothermic reaction? Dehydrogenation of ethane to ethylene Decomposition of water Conversion of graphite to diamond None of these Dehydrogenation of ethane to ethylene Decomposition of water Conversion of graphite to diamond None of these ANSWER DOWNLOAD EXAMIANS APP
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