Stoichiometry How many phases are present at eutectic point? 2 1 3 Unpredictable 2 1 3 Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If 1.5 moles of oxygen combines with aluminium to form Al2O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm. 5.4 54 27 2.7 5.4 54 27 2.7 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry An equation for calculating vapour pressure is given by, log10 P = A - B(t + c). Antonic equation Kopp's rule Kistyakowsky equation Trouton's rule Antonic equation Kopp's rule Kistyakowsky equation Trouton's rule 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.? 0.6 0.1 0.4 0.2 0.6 0.1 0.4 0.2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Hess's law of constant heat summation is based on conservation of mass. It deals with None of these Equilibrium constant Changes in heat of reaction Reaction rate None of these Equilibrium constant Changes in heat of reaction Reaction rate ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Specific gravity on API scale is given by the relation(where, G = specific gravity at 15.5°C). °API = 200(G - 1) °API = 145 - (145/G) °API = (140/G) - 130 °API = (141.5/G) - 131.5 °API = 200(G - 1) °API = 145 - (145/G) °API = (140/G) - 130 °API = (141.5/G) - 131.5 ANSWER DOWNLOAD EXAMIANS APP