11th class (FSc) chemistry Unit 9 MCQs

a. Serotonin
b. Aspartame
c. Hydrazine
d. Ethylene glycol

d. Ethylene glycol

a. AgCl
b. LiCl
c. NaCl
d. BeCl2

c. NaCl

a. Three
b. One
c. Four
d. Two

c. Four

a. NH4CI
b. CuSO4
c. Na2CO3
d. NaCl

c. Na2CO3

a. 55.5
b. 1
c. 6
d. 18

a. 55.5

a. 1/51
b. 1/5
c. 6
d. 5.1

a. 1/51

a. 200 cm3
b. 1 dm3
c. 900 cm3
d. 1.8 dm3

d. 1.8 dm3

a. More than that of water
b. Equal to that of water
c. Less then that of water
d. Equal to that of ethanol

a. More than that of water

a. It shows negative deviation from Raoults’ law
b. It is saturated
c. It is meta-stable
d. It shows positive deviation from Raoult’s law

d. It shows positive deviation from Raoult’s law

a. Equal to total volume of components
b. Slightly more that total volume of components
c. Slightly less than total volume of components
d. None of these

b. Slightly more that total volume of components

a. 6% urea solution
b. 5.85% NaCl
c. All have same boiling point
d. 18% glucose solutions

b. 5.85% NaCl

a. KCl and NaCl solution posses same vapour pressure
b. KCl solution will have higher boiling point than NaCl
c. KCl solution posses lower freezing point than NaCl solution
d. Both the solution have different voiling point

d. Both the solution have different voiling point

a. Mole fraction
b. Molarity
c. Molality
d. None o these

c. Molality

a. Dilute solutions which behave nearly ideal solution
b. Concentrated solutions which behave non-idealy
c. Both a and b
d. Neither a nor b

a. Dilute solutions which behave nearly ideal solution

a. Molecule
b. Compound
c. Solid
d. Solution

b. Compound

a. Per m3 of water
b. Per dm3 of water
c. In 100 ml of water
d. In one gram of water

b. Per dm3 of water

a. First increase than decrease
b. Remains the same
c. Decrease
d. Increases

b. Remains the same

a. Pressure
b. Molar masses
c. Masse
d. Volume

b. Molar masses

a. Pressure
b. Molar masses
c. Masses
d. Volume

b. Molar masses

a. 100.052oC
b. 100.52oC
c. Less then 100oC
d. 100.00oC

b. 100.52oC

a. 11.86
b. 1.86
c. 0.52
d. 2.86

b. 1.86

a. Mole fraction of C2H5OH and H2O is the same
b. Mole fraction of CHjOH is highest among all
c. Mole fraction of H2O is the lowest among all
d. Mole fraction of C2HjOH and C HSOH is same compounds

b. Mole fraction of CHjOH is highest among all

a. Vapour pressure
b. Concentration
c. Attraction between the phases
d. Ratio between the particles

b. Concentration

a. 15 gm
b. 40 gm
c. 20 gm
d. 2.5 gm

b. 40 gm

click here to go directly on chapter no.10

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *