Stoichiometry For a neutral solution (pH = 7), the value of[H⁺] [OH⁻] is equal to < 1 1 > 1 < 1 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A bypass stream in a chemical process is useful, because it Increases the yield of products None of these Improves the conversion Facilitates better control of the process Increases the yield of products None of these Improves the conversion Facilitates better control of the process ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A long cylinder and a sphere both of 5 cms diameter are made from the same porous material. The flat ends of cylinder are sealed. Both the cylinder and sphere are saturated with the same solution of sodium chloride. Later both the objects are immersed for a short and equal interval of time in a large tank of water which is well agitated. The fraction of salt remaining in the cylinder and the sphere are Xc and Xs respectively. Which of the following statement is correct? Xc greater/less than Xs depending on the length of the cylinder Xc > Xs Xc = Xs Xc < Xs Xc greater/less than Xs depending on the length of the cylinder Xc > Xs Xc = Xs Xc < Xs ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg.? 0.1 0.2 0.6 0.4 0.1 0.2 0.6 0.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is 0.5 1.72 0.58 0.2 0.5 1.72 0.58 0.2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic heat capacities of all solid elements __________ with decrease in temperature. Remains unchanged Increases Approach zero at 0°C Decreases Remains unchanged Increases Approach zero at 0°C Decreases ANSWER DOWNLOAD EXAMIANS APP
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