Stoichiometry Na₂SO₄. 10H₂O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na₂SO₄. The final concentration of the solute in the solution is 10%. The weight of crystals is 58.65 45.35 20 32.2 58.65 45.35 20 32.2 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 Decreases with increasing pressure Both B & C Increases with pressure rise Becomes zero at the critical point Decreases with increasing pressure Both B & C Increases with pressure rise Becomes zero at the critical point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature. Does not vary Increases Decreases Varies linearly Does not vary Increases Decreases Varies linearly ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If pH value of a solution is 8, then its pOH value will be 7 10 6 1 7 10 6 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The elevation in boiling point of a solution is proportional to the __________ of the solution. Normality Molal concentration Molarity Reciprocal of the molal concentration Normality Molal concentration Molarity Reciprocal of the molal concentration ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Dissolving a solute in a solvent does not change its None of these Vapour pressure Specific heat Viscosity None of these Vapour pressure Specific heat Viscosity ANSWER DOWNLOAD EXAMIANS APP
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