Stoichiometry If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is __________ times. 10000 100 1000 10 10000 100 1000 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Atoms of the same element, but of different masses are called Isotopes Isotones Isobars None of these Isotopes Isotones Isobars None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The quantity of heat required to evaporate 1 kg of a saturated liquid is called Sensible heat Specific heat 1 Kcal Latent heat Sensible heat Specific heat 1 Kcal Latent heat ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times. 43834 4 √2 43832 43834 4 √2 43832 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is 100°C 80.1°C Greater than 80.1°C but less than 100°C Less than 80.1°C 100°C 80.1°C Greater than 80.1°C but less than 100°C Less than 80.1°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH₄ + 2O₂ → CO₂ + 2H₂O. Both the reactants and products are in gas phase. ΔH°298 = - 730 kJ/mole of methane. Mole fraction of water vapour in the product gases is about 0.33 0.40 0.19 0.67 0.33 0.40 0.19 0.67 ANSWER DOWNLOAD EXAMIANS APP
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