Stoichiometry The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times. 43834 √2 4 43832 43834 √2 4 43832 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be M/2 M/4 2M M M/2 M/4 2M M ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The elevation in boiling point of a solution is proportional to the __________ of the solution. Reciprocal of the molal concentration Molarity Molal concentration Normality Reciprocal of the molal concentration Molarity Molal concentration Normality ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperature, molal heat capacities of most of the gases (at constant pressure) __________ with increase in temperature. Increases linearly Increases Decreases Remains unchanged Increases linearly Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The latent heat of vaporisation All of these Decreases as pressure increases Decreases with increased temperature Becomes zero at the critical point All of these Decreases as pressure increases Decreases with increased temperature Becomes zero at the critical point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of Wetting Mixing Complete wetting Adsorption Wetting Mixing Complete wetting Adsorption ANSWER DOWNLOAD EXAMIANS APP
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