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 1 0.18 0.24 1 0.18 0.24 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Raoult's law is not applicable to the Concentrated solutions Solutions containing non-volatile solute Both B & C Solutes which dissociate or associate in the particular solution Concentrated solutions Solutions containing non-volatile solute Both B & C Solutes which dissociate or associate in the particular solution ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Solutions which distil without change in composition are called Azeotropic Supersaturated Ideal Saturated Azeotropic Supersaturated Ideal Saturated ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution having a pH value of 5 is less acidic than the one having a pH value of 2 by a factor of 1000 3 100 None of these 1000 3 100 None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat of adsorption of a gas caused by Van der Walls forces of attraction and capillarity is equal to the heat of Normal condensation Sum of A and B Difference of A and B Wetting Normal condensation Sum of A and B Difference of A and B Wetting ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is Increased with the increase in pressure Unchanged by the pressure change Independent of the temperature Decreased with the increase in pressure Increased with the increase in pressure Unchanged by the pressure change Independent of the temperature Decreased with the increase in pressure ANSWER DOWNLOAD EXAMIANS APP
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