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     Solution  | 
   
     Suspension  | 
   
     Colloid  | 
  
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     It is a homogeneous mixture  | 
   
     It is a heterogeneous mixture  | 
   
     It is a heterogeneous mixture  | 
  
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     Size of particles are very small (less than 1nm)  | 
   
     Size of particles are large (more than 100nm)  | 
   
     Size of particles is neither too small nor too large (1 - 100nm)  | 
  
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     Individual Particles cannot be seen by the naked eyes  | 
   
     Particles of suspension can be seen by the naked eye  | 
   
     Particles of a colloid are too small to be seen by the naked eye  | 
  
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     Particles are stable , they do not settle down when left undisturbed  | 
   
     Particles are not stable , they settle down after some time  | 
   
     Particles are stable , they do not settle down when left undisturbed  | 
  
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     Particles of solution do not scatter light  | 
   
     Particles are large enough to scatter a beam of light  | 
   
     Particles are large enough to scatter a beam of light  | 
  
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     Particles pass through filter paper, hence particles cannot be separated by filtration  | 
   
     Particles are large, they do no pass through filter paper, hence particles can be separated by filtration  | 
   
     Particles are small enough to pass through filter paper, hence particles cannot be separated by filtration  | 
  
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     Examples  | 
   
     Examples  | 
   
     Examples  | 
  
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     Solution of Salt and Water, Sugar and Water  | 
   
     Mixture of chalk and water, sand and water  | 
   
     Milk, blood  |