Question

Some medicines are more effective in the colloidal form because of:

• A. the charged colloidal particles present in it
• B. the large surface area and easy assimilation
• C. precipitation of medicine in the blood
• D. the stabilisation of medicine in colloidal form

Answer 1

Answer: (B)

the large surface area and easy assimilation

• A colloid is a heterogeneous system in which one substance is dispersed (dispersed phase) as very fine particles in another substance called dispersion medium.
  
• Colloidal medicines are more effective because they have large surface area and are therefore easily assimilated.
  

Various applications of collids are-

• Purification of drinking water
  
• Cleansing action of soaps and detergents as Medicines
  
• Photographic plates and films