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 ) ? Both B and C ΔV = 0 ΔH = 0 ΔH = 1 (+ ve)and Δ V = -ve Both B and C ΔV = 0 ΔH = 0 ΔH = 1 (+ ve)and Δ V = -ve ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry __________ fuels require the maximum percentage of 'excess air' for complete combustion. Liquid Nuclear Gaseous Solid Liquid Nuclear Gaseous Solid ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour Is not dependent on the temperature Measures the depression in freezing point Measures the elevation in boiling point Is a function of the liquid phase composition Is not dependent on the temperature Measures the depression in freezing point Measures the elevation in boiling point Is a function of the liquid phase composition ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Osmotic pressure of the solution can be increased by Diluting the solution Decreasing its temperature None of these Increasing the volume of the vessel containing the solution Diluting the solution Decreasing its temperature None of these Increasing the volume of the vessel containing the solution ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry During a phase change process like sublimation, vaporisation, melting etc., the specific __________ does not change. Internal energy Entropy Gibbs free energy Enthalpy Internal energy Entropy Gibbs free energy Enthalpy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One of the specific gravity scales is "Brix" (used speicifically for sugar solution). It is defined as None of these Brix = 145 - (145/G) Brix = 200 (G-1) Brix = (400/G) - 400 None of these Brix = 145 - (145/G) Brix = 200 (G-1) Brix = (400/G) - 400 ANSWER DOWNLOAD EXAMIANS APP
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