A) Ion-exchange method
B) Synthetic resins method
C) Calgons method
D) clarks method
Correct Answer: D
Solution :
[d] Clarks method is used to remove temporary hardness \[Ca{{(HC{{O}_{3}})}_{2}}+C{{a}^{+2}}\text{ }or\text{ }M{{g}^{+2}}\to CaC{{O}_{3}}\] \[or\text{ }MgC{{O}_{3}}+{{H}_{2}}O\]You need to login to perform this action.
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