pH value of H2SO4 (5% concentration) is__________________?
pH value of H2SO4 (5% concentration) is__________________?
A. 5
B. 7
C. > 7
D. < 7
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The vapor pressure of a substance, at its melting point, is _____________ in the solid state as compared to that in the liquid state?
The vapor pressure of a substance, at its melting point, is _____________ in the solid state as compared to that in the liquid state?A. Less
B. More
C. Same
D. Either A. or B.; depends on the nature of the substanceAn equation for calculating vapour pressure is given by, log10 P = A – B(t + c). This is called the________________?
An equation for calculating vapour pressure is given by, log10 P = A – B(t + c). This is called the________________?A. Kistyakowsky equation
B. Antoine equation
C. Kopp’s rule
D. Trouton’s ruleOthmer chart is useful in estimating the heat of_______________?
Othmer chart is useful in estimating the heat of_______________?A. Mixing
B. Wetting
C. Adsorption
D. None of these“The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface”. This statement pertaining to the solubility of gases in liquid is the ______________ law?
“The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface”. This statement pertaining to the solubility of gases in liquid is the ______________ law?A. Raoult’s
B. Henry’s
C. Amagat’s
D. None of theseKopp’s rule is useful for the determination of_____________________?
Kopp’s rule is useful for the determination of_____________________?A. Molal heat capacities of gases
B. Heat capacities of solids
C. Activation energy
D. Heat capacities of gasesOsmotic pressure of a dilute solution of a non volatile solute in a solvent obeying Raoult’s law is proportional to the_____________?
Osmotic pressure of a dilute solution of a non volatile solute in a solvent obeying Raoult’s law is proportional to the_____________?A. Temperature
B. Volume of solution
C. Moles of non-volatile solute
D. None of these