Stoichiometry A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) 350 345 140 485 350 345 140 485 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent? Nature of solvent Nature of solute Pressure Temperature Nature of solvent Nature of solute Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The temperature at which the second Virial co-efficient of a real gas is zero is called the Critical temperature Eutectic point Boiling point Boyle temperature Critical temperature Eutectic point Boiling point Boyle temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Saturated molal absolute humidity of the vapor-gas mixture depends upon the Vapor pressure at dry bulb temperature Both A & B Total pressure Neither A nor B Vapor pressure at dry bulb temperature Both A & B Total pressure Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry An equation for calculating vapour pressure is given by, log10 P = A - B(t + c). Trouton's rule Kistyakowsky equation Antonic equation Kopp's rule Trouton's rule Kistyakowsky equation Antonic equation Kopp's rule ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution with reasonably permanent pH is called a/an __________ solution. Colloidal Non-ideal Ideal Buffer Colloidal Non-ideal Ideal Buffer ANSWER DOWNLOAD EXAMIANS APP