Stoichiometry Which of the following holds good for a solution obeying Raoult's law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing ) ? ΔV = 0 Both B and C ΔH = 0 ΔH = 1 (+ ve)and Δ V = -ve ΔV = 0 Both B and C ΔH = 0 ΔH = 1 (+ ve)and Δ V = -ve ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of an alkaline solution is 7 Constant over a wide range > 7 < 7 7 Constant over a wide range > 7 < 7 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 Kcal/kg. °C is equivalent to __________ BTU/lb. °F. 1 None of these 4.97 2.42 1 None of these 4.97 2.42 ANSWER DOWNLOAD EXAMIANS APP
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 20 32.2 45.35 58.65 20 32.2 45.35 58.65 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Internal energy of a substance comprises of the __________ energy. Translational All of these Rotational Vibrational Translational All of these Rotational Vibrational 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