Stoichiometry No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules Do work equal to loss in kinetic energy Exert no attractive force on each other Are above the inversion temperature Collide without loss of energy Do work equal to loss in kinetic energy Exert no attractive force on each other Are above the inversion temperature Collide without loss of energy 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. 100 70 20 10 100 70 20 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The hydroxyl ion (OH?) concentration in a solution having pH value 3 will be 10?? 10?? ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The crystallisation of a solute from a solution may be done by Change of temperature thereby causing supersaturation Changing the nature of the system by the addition of a more soluble material All of these Removal of pure solvent by evaporation Change of temperature thereby causing supersaturation Changing the nature of the system by the addition of a more soluble material All of these Removal of pure solvent by evaporation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The unit of Cp in S.I. units is W/m.°K W/m².°K J/kg.°K J/m³. °K W/m.°K W/m².°K J/kg.°K J/m³. °K ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A reduction process is accompanied with increase in the Oxidation number Both A & B Neither A nor B Number of electrons Oxidation number Both A & B Neither A nor B Number of electrons ANSWER DOWNLOAD EXAMIANS APP
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