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.Management Sciences
Category: Solutions
Number of moles in 1 kg of solvent is called_________________?
A. normality
B. molarity
C. molality
D. mole fraction
The solution which distils over with change in composition________________?
A. ideal solution
B. zeotropic solution
C. azeotropic solution
D. non-ideal solution
The compounds in which water molecules are added are called_______________?
A. Hydrated ions
B. double salts
C. hydrates
D. complexes
The relative lowering of vapour pressure is directly proportional to molality if the solution is________________?
A. concentrated
B. dilute
C. saturated solution
D. all 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 has the minimum freezing point ?
A. One Molal NaCI
B. One molal KCI solution
C. One molal CaCI2
D. One molal urea solution
Which of the following substance do not show continuous solubility curve ?
A. KCIO4
B. Na2SO4. 10H2O
C. K2Cr2O7
D. PbCl2
1 molar solution of glucose in water contains weight of glucose________________?
A. 180g/dm3
B. 170g/dm3
C. 190g/dm3
D. 195g/dm3
The determination of correct molecular weight from Raoults law is applicable to_________________?
A. a volatile solute in dilute solution
B. a non-electrolyte & non volatile solute in concentrated solution
C. a non-electrolyte & non volatile solute in concentrated solute
D. non volatile solute in a dilute solution
Every sample of matter with uniform properties and fixed composition is called_________________?
A. solute
B. solvent
C. solution
D. phase
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