31
MCQ (Multiple Correct Answer)
Isotonic solutions must have the same ............ .
A
solute
B
density
C
elevation in boiling point
D
depression in freezing point
32
MCQ (Multiple Correct Answer)
Which of the following binary mixtures will have same composition in liquid and vapour phase?
A
Benzene-toluene
B
Water-nitric acid
C
Water-ethanol
D
$n$-hexane- $n$-heptane
33
MCQ (Multiple Correct Answer)
In isotonic solutions ........... .
A
solute and solvent both are same
B
osmotic pressure is same
C
solute and solvent may or may not be same
D
solute is always same solvent may be different
34
MCQ (Multiple Correct Answer)
For a binary ideal liquid solution, the variation in total vapour pressure versus composition of solution is given by which of the curves?
A
B
C
D
35
MCQ (Multiple Correct Answer)
Colligative properties are observed when .............. .
A
a non-volatile solid is dissolved in a volatile liquid
B
a non-volatile liquid is dissolved in another volatile liquid
C
a gas is dissolved in non-volatile liquid
D
a volatile liquid is dissolved in another volatile liquid