Contents

Example of liquid aerosol is …………
a) fog                                    

b) mist
c) clouds                                               

d) all of these

d

Liquid dispersed in solid is phase of which class of colloid ?
a) liquid aerosol                  

b) foam
c) solid emulsion                

d) sol     

c

Example of solid emulsion is …………..
a) cheese                                              

b) butter
c)  fog                                    

d) both a & b

d

Heterogeneous mixture of undissolved particles in a given medium is called ………
a) solution                                            

b) colloid
c) suspension                                       

d) all of these

c

In……composition is not uniform throughout
a) suspension                                      

b) solution
c) colloid                                               

d) none of these

a

The process of settling of particles at bottom is known as ………….
a) Tyndall effect 

b) suspension
c) sedimentation                
d) eutrophication

c