Stoichiometry 1 kgf/cm² is not equal to 100 KPa = 100 000 N/m² 1 bar 10000 mm wc 1 torr 100 KPa = 100 000 N/m² 1 bar 10000 mm wc 1 torr ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is 0.5 0.58 1.72 0.2 0.5 0.58 1.72 0.2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The crystallisation of a solute from a solution may be done by 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The temperature of a gas in a closed container is 27° C. If the temperature of the gas is incresed to 300° C, then the pressure exerted is Doubled Unpredictable Halved Trebled Doubled Unpredictable Halved Trebled 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 Kinetic energy Total energy Potential energy Intermolecular forces of attraction Kinetic energy Total energy Potential energy Intermolecular forces of attraction 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. 10 20 100 70 10 20 100 70 ANSWER DOWNLOAD EXAMIANS APP
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