671. Which of the following are the conditions of colligative properties_______________?
A. Non-electrolye solute
B. Non-volatile solute
C. Dilute solution
D. All of the above

672. When common salt is dissolved in water ?
A. Boiling point of water decrease
B. Boiling point of water increase
C. Boiling point of water remains same
D. None of the above

673. Homogeneous mixture of two or more than two compounds is called__________________?
A. solution
B. compound
C. radical
D. ion

674. Solution with maximum concentration of solute at given temperature is called________________?
A. Super saturated solution
B. unsaturated solution
C. saturated solution
D. dilute solution

675. Number of moles in 1 kg of solvent is called_________________?
A. normality
B. molarity
C. molality
D. mole fraction

676. In partially miscible liquids the two layers are___________________?
A. saturated solutions of each liquid
B. unsaturated solutions of each liquid
C. normal solution of each liquid
D. no layer formation takes place

677. The relative lowering of vapour pressure is_____________________?
A. equal to the mole fraction of solvent
B. equal to the mole fraction of solute
C. directly proportional to the mole fraction of solute
D. both B & C

678. Mixtures which distill over without change in composition called___________________?
A. zeotropic mixture
B. azeotropic mixture
C. amphoteric mixture
D. ideal solution

679. Solubility of KCIO3 gives__________________?
A. continuous and falling solubility curve
B. discontinuous and falling solubility curve
C. continuous and rising solubility curve
D. discontinuous and rising solubility curve

680. Boiling point elevations can be measured by__________________?
A. Beckmanns method
B. Landsbergers method
C. Linds method
D. none of the above