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.Management Sciences
Category: Solutions
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
If the volume of solution is equal to sum of volumes of its all components then the solution_____________?
A. will be an ideal solution
B. will be non-ideal solution
C. will show deviations from Raoults law
D. both b & c
ppm means________________?
A. parts of solute in 1000 parts of solvent
B. parts of solvent in 1000 parts of solute
C. parts of solute in one million parts of solution
D. parts of solvent in one million parts of solute
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