Which of the following is not used for Osmosis semi-permeable membrane?
A. Polymethyl sulphate
B. Cellulose acetate
C. Polyamide polymer
D. Polymethyl acrylate
Answer:A
Which of the following is not used for Osmosis semi-permeable membrane?
A. Polymethyl sulphate B. Cellulose acetate C. Polyamide polymer D. Polymethyl acrylate