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 10 20 70 100 10 20 70 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be More acidic Of the same acidity Neutral Basic More acidic Of the same acidity Neutral Basic ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 2 litres of nitrogen at N.T.P. weighs __________ gms. 1.25 2.5 14 28 1.25 2.5 14 28 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry N.T.P. corresponds to 760 mm Hg gauge pressure & 0°C 101.325 KPa gauge pressure & 0°C 760 torr & 15°C 1 atm.absolute pressure& 0°C 760 mm Hg gauge pressure & 0°C 101.325 KPa gauge pressure & 0°C 760 torr & 15°C 1 atm.absolute pressure& 0°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H₂ produced will be __________ gm. gm. 5 0.5 3 1 5 0.5 3 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation Becomes zero at the critical point Both B & C Decreases with increasing pressure Increases with pressure rise Becomes zero at the critical point Both B & C Decreases with increasing pressure Increases with pressure rise ANSWER DOWNLOAD EXAMIANS APP
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