Observe the figure given below and answer the questions that follow:

Question 8.jpg

(A) Which process is represented in the figure? 

(B) What is the application of this process? 

(C) Can the same process occur without applying electric field? Why is the electric field applied? 


  1. Electrodialysis is a process due to which ions are transported through a semipermeable membrane in the presence of an electric field .
  2. It is used for the purification of colloidal solutions .
  3. Yes. Dialysis is a very slow process to increase its speed electric field is applied 
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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.