Stoichiometry The OH⁻ concentration in a solution having pH value 3 is 10-11 10-13 10-3 10-10 10-11 10-13 10-3 10-10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At a temperature of 0°K, the molecules of a gas have only __________ energy. None of these Rotational Translational Vibrational None of these Rotational Translational Vibrational ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A liquid is in equilibrium with its vapor at its boiling point. On an average, the molecules in the liquid and gaseous phases have equal Potential energy Total energy Kinetic energy Intermolecular forces of attraction Potential energy Total energy Kinetic energy Intermolecular forces of attraction ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The crystallisation of a solute from a solution may be done by All of these Changing the nature of the system by the addition of a more soluble material Removal of pure solvent by evaporation Change of temperature thereby causing supersaturation All of these Changing the nature of the system by the addition of a more soluble material Removal of pure solvent by evaporation Change of temperature thereby causing supersaturation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times. 70 100 20 10 70 100 20 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Na₂SO₄. 10H₂O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na₂SO₄. The final concentration of the solute in the solution is 10%. The weight of crystals is 32.2 45.35 20 58.65 32.2 45.35 20 58.65 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS