Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from ______________ resins?
(A) Epoxy
(B) Phenol formaldehyde
(C) Urea formaldehyde
(D) Melamine formaldehyde
Share this... |
Facebook
|
Twitter
|
Linkedin
|
Whatsapp
|
Your email address will not be published. Required fields are marked *