In comparison to the zeolite process for the removal of permanent hardness,
Question:

In comparison to the zeolite process for the removal of permanent hardness, the synthetic resins method is:

  1.  less efficient as it exchanges only anions

  2.  more efficient as it can exchange both cations as well as anions

  3. less efficient as the resins cannot be regenerated

  4.  more efficient as it can exchange only cations


Correct Option: , 2

Solution:

Synthetic resin method is more efficient than zeolite process as it can exchange both cations as well as anions.

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