Stoichiometry Number of gm moles of solute dissolved in one litre of a solution is called its Normality Equivalent weight Molality Molarity Normality Equivalent weight Molality Molarity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The elevation in boiling point of a solution is proportional to the __________ of the solution. Molal concentration Reciprocal of the molal concentration Molarity Normality Molal concentration Reciprocal of the molal concentration Molarity Normality ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg. 80 78.51 79.62 80.38 80 78.51 79.62 80.38 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg.? 0.2 0.4 0.6 0.1 0.2 0.4 0.6 0.1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Vapor pressure of water at 100°C is about __________ bar. 10.13 1.013 101.3 0.1013 10.13 1.013 101.3 0.1013 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules Do work equal to loss in kinetic energy Do not exert attractive force on each other Are above the inversion temperature Do not lose energy on collision Do work equal to loss in kinetic energy Do not exert attractive force on each other Are above the inversion temperature Do not lose energy on collision ANSWER DOWNLOAD EXAMIANS APP
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