Number of moles in 1 kg of solvent is called_________________?
(A) normality
(B) molarity
(C) molality
(D) mole fraction
Solution with maximum concentration of solute at given temperature is called________________?
(A) Super saturated solution
(B) unsaturated solution
(C) saturated solution
(D) dilute solution
Homogeneous mixture of two or more than two compounds is called__________________?
(A) solution
(B) compound
(C) radical
(D) ion
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
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
Which of the following is an example of liquid in gas solution?
(A) Opals
(B) Dust particles in smoke
(C) Paints
(D) Fog
Which of the following substance do not show continuous solubility curve ?
(A) KCIO4
(B) Na2SO4. 10H2O
(C) K2Cr2O7
(D) PbCl2
Which has the minimum freezing point ?
(A) One Molal NaCI
(B) One molal KCI solution
(C) One molal CaCI2
(D) One molal urea solution
The molal boiling point constant is the ration of the elevation of boiling point to____________________?
(A) Molarity
(B) Molality
(C) More fraction of solvent
(D) Mole fraction of solute
Which of the following unit of concentration is independent of temperature ?
(A) Molarity
(B) Molality
(C) Mole fraction
(D) all