JEE Main 20207 Jan, Morning shiftChemistryEasyHydrogen84× since 2003In comparison to the zeolite process for the removal of permanent hardness, the synthetic resins method is :AOption A. less efficient as the resins cannot be regenerated.BOption B. more efficient as it can exchange only cations.COption C. more efficient as it can exchange both cations as well as anions.DOption D. less efficient as it exchanges only anions.CheckSkip · show solution