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 20 70 10 100 20 70 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry __________ kg of CaCO₃ on heating will give 56 kg of CaO. 144 1000 56 100 144 1000 56 100 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal __________ in the two phases. Kinetic energy Intermolecular forces Total energy Potential energy Kinetic energy Intermolecular forces Total energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If 1.5 moles of oxygen combines with aluminium to form Al2O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm. 54 2.7 5.4 27 54 2.7 5.4 27 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With increase in temperature, the surface tension of water Decreases Increases linearly Increases Remains constant Decreases Increases linearly Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is __________ times. 100 10 10000 1000 100 10 10000 1000 ANSWER DOWNLOAD EXAMIANS APP
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