The elevation in boiling point of a solution is proportional to the ______________ of the solution?
A. Molal concentration
B. Reciprocal of the molal concentration
C. Normality
D. Molarity
A. Molal concentration
B. Reciprocal of the molal concentration
C. Normality
D. Molarity
A. 756.2
B. 780.5
C. 801.5
D. 880.5
A. Decrease
B. Increase
C. Remain unchanged
D. Either A. or B.; depends on the concentration of the solution
The evaporation of aqueous solution of sugar causes its molarity to__________________? Read More »
Stoichiometry A. Compressibility
B. Molecular weight
C. Humidity
D. None of these
A. Conversion of graphite to diamond
B. Decomposition of water
C. Dehydrogenation of ethane to ethylene
D. None of these
Which of the following is an exothermic reaction ? Read More »
Stoichiometry A. Normally
B. Molarity
C. Molality
D. Formality
A. Heat capacities of solids
B. Heat capacities of gases
C. Molal heat capacities of gases
D. Activation energy
Kopp’s rule is helpful in finding the__________________? Read More »
Stoichiometry A. Same elevation in boiling point
B. Different elevation in boiling point
C. Elevation in boiling point in the ratio of their molecular weights
D. None of these
A. Neutrons and protons
B. Protons and electrons
C. Neutrons and electrons
D. Both A. & B.
Mass number of an atom is the sum of the numbers of_________________? Read More »
Stoichiometry A. Torr
B. Newton/m2
C. Parsec
D. Ata, bar or Pascal
Which of the following is not a unit of pressure ? Read More »
Stoichiometry