Solutions Set 3 - ilmijazeera

Results

#1. The sum of mole fractions (X) of components of a solution is equal to

100

200

one

zero

#2. Which pair of mixture is called ideal solution

nicotine–water

chlorobenzene & bromobenzene

water–ether

water–alcohol

#3. The vapour pressure of aqueous solution of sugar solution is

equal to vapour pressure of water

more than vapour pressure of pure water

less than vapour pressure of pure water

none of above

#4. When NaCl is dissolved in water

melting point decrease

boiling point decrease

both melting and boiling point decrease

none of above

#5. The solution which distils without change in composition is called

unsaturated solution

saturated solution

zeotropic mixture

azeotropic mixture

#6. Solubility curve of Na2SO4 10 . H2O shows

constant increase of solubility

constant decrease of solubility

discontinuous solubility with temp

none of above

#7. Use of glycol as antifreeze in the automobile is an important application of

colligative property

Roault’s law

fractional crystallization

hydrolysis

#8. Use of NaCl in ice cream making is an important application of

constitutive property

additive property

colligative property

Roault’s law

#9. Which one of the following solutions will have higher vapour pressure than that of water

aqueous solution of CH3OH

aqueous solution of H2SO4

aqueous solution of sugar

aqueous solution of urea

#10. Ethylene glycol is mixed with water as anti freeze in radiator because

it has low vapour pressure

it raises the boiling point of water

it lowers the freezing point of water

it changes osmotic pressure

it has all characters

Finish

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Results

#1. The sum of mole fractions (X) of components of a solution is equal to

#2. Which pair of mixture is called ideal solution

#3. The vapour pressure of aqueous solution of sugar solution is

#4. When NaCl is dissolved in water

#5. The solution which distils without change in composition is called

#6. Solubility curve of Na2SO4 10 . H2O shows

#7. Use of glycol as antifreeze in the automobile is an important application of

#8. Use of NaCl in ice cream making is an important application of

#9. Which one of the following solutions will have higher vapour pressure than that of water

#10. Ethylene glycol is mixed with water as anti freeze in radiator because