501 The relative lowering of vapour pressure is directly proportional to molality if the solution is________________? Chemistry Medium Full question → A concentrated B dilute C saturated solution D all of the above
502 ppm means________________? Chemistry Medium Full question → 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
503 Hydration is a process in which_________________? Chemistry Medium Full question → A Molecules are surrounded by solvent molecules B Ions are surrounded by solvent molecules C Both ions and molecules are surrounded by solvent molecules D Both ions and molecules are surrounded by water molecules
504 Beckmanns apparatus is used to measure_______________? Chemistry Medium Full question → A boiling point elevation B depression in freezing point C lowering of vapour pressure D lowering of osmotic pressure
505 The determination of correct molecular weight from Raoults law is applicable to_________________? Chemistry Medium Full question → 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
506 Concentration of solute molecule when they are in equilibrium with solid substance at particular temperature is called________________? Chemistry Medium Full question → A saturated solution B solubility C unsaturated solution D super saturated solution
507 The solution which distils over with change in composition________________? Chemistry Medium Full question → A ideal solution B zeotropic solution C azeotropic solution D non-ideal solution
508 If the volume of solution is equal to sum of volumes of its all components then the solution_____________? Chemistry Medium Full question → A will be an ideal solution B will be non-ideal solution C will show deviations from Raoults law D both b & c
509 58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________? Chemistry Medium Full question → A 0.1 M B 1 m C 1 M D 0.1 N
510 10ml of alcohol dissolve in 90ml of water unit of concentration used is________________? Chemistry Medium Full question → A % w/w B % w/v C % v/v D % v/w
511 The component of solution which is in smaller amount is called_________________? Chemistry Medium Full question → A solvent B solute C phase D ion
512 Every sample of matter with uniform properties and fixed composition is called_________________? Chemistry Medium Full question → A solute B solvent C solution D phase
513 Which of the following substance do not show continuous solubility curve ? Chemistry Medium Full question → A KCIO4 B Na2SO4. 10H2O C K2Cr2O7 D PbCl2
514 Which has the minimum freezing point ? Chemistry Medium Full question → A One Molal NaCI B One molal KCI solution C One molal CaCI2 D One molal urea solution
515 The molal boiling point constant is the ration of the elevation of boiling point to____________________? Chemistry Medium Full question → A Molarity B Molality C More fraction of solvent D Mole fraction of solute
516 Which of the following unit of concentration is independent of temperature ? Chemistry Medium Full question → A Molarity B Molality C Mole fraction D all
517 Which one of the following salt does not hydrolyzed________________? Chemistry Medium Full question → A Na2SO4 B AlCl3 C CuSO4 D NH4Cl
518 Water of crystallization can be removed by________________? Chemistry Medium Full question → A drying B heating C evaporation D All of the above
519 1 molar solution of glucose in water contains weight of glucose________________? Chemistry Medium Full question → A 180g/dm3 B 170g/dm3 C 190g/dm3 D 195g/dm3
520 Solution of Na2SO4 will be_________________? Chemistry Medium Full question → A basic B acidic C neutral D cannot be presicted without data