Chemistry MCQs

Page No. 69

ppm means________________?


aparts of solute in 1000 parts of solvent


bparts of solvent in 1000 parts of solute


cparts of solute in one million parts of solution


dparts of solvent in one million parts of solute



Hydration is a process in which_________________?


aMolecules are surrounded by solvent molecules


bIons are surrounded by solvent molecules


cBoth ions and molecules are surrounded by solvent molecules


dBoth ions and molecules are surrounded by water molecules



Beckmanns apparatus is used to measure_______________?


aboiling point elevation


bdepression in freezing point


clowering of vapour pressure


dlowering of osmotic pressure



The determination of correct molecular weight from Raoults law is applicable to_________________?


aa volatile solute in dilute solution


ba non-electrolyte & non volatile solute in concentrated solution


ca non-electrolyte & non volatile solute in concentrated solute


dnon volatile solute in a dilute solution



Concentration of solute molecule when they are in equilibrium with solid substance at particular temperature is called________________?


asaturated solution


bsolubility


cunsaturated solution


dsuper saturated solution


View Answer solubility

The solution which distils over with change in composition________________?


aideal solution


bzeotropic solution


cazeotropic solution


dnon-ideal solution


View Answer zeotropic solution

If the volume of solution is equal to sum of volumes of its all components then the solution_____________?


awill be an ideal solution


bwill be non-ideal solution


cwill show deviations from Raoults law


dboth b and c



58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?


a0.1 M


b1 m


c1 M


d0.1 N


View Answer 1 M

10ml of alcohol dissolve in 90ml of water unit of concentration used is________________?


a% w/w


b% w/v


c% v/v


d% v/w


View Answer % v/v

The component of solution which is in smaller amount is called_________________?


asolvent


bsolute


cphase


dion


View Answer solute

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