Stoichiometry The heat of adsorption of a gas caused by Van der Walls forces of attraction and capillarity is equal to the heat of Wetting Sum of A and B Difference of A and B Normal condensation Wetting Sum of A and B Difference of A and B Normal condensation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 80 kg of Na₂SO₄ (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na₂SO₄ .10H₂O crystals separate out. The weight fraction of Na₂SO₄ in the remaining solution is 0.24 1 0.18 0.24 1 0.18 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 10000 1000 10 100 10000 1000 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is insensitive to changes in pressure? Both B & C Heat of vaporisation Heat of fusion Melting point Both B & C Heat of vaporisation Heat of fusion Melting point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry N₂ content in a urea sample was found to be only 42%. What is the actual urea content of the sample ? (molecular weight of urea = 60) 0.98 0.9 0.95 0.8 0.98 0.9 0.95 0.8 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 Normality Molal concentration Reciprocal of the molal concentration Molarity Normality Molal concentration ANSWER DOWNLOAD EXAMIANS APP
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