Which compound is used to remove the temporary hardness of water in Clark's method?

  • A
    Calcium carbonate $(CaCO_3)$
  • B
    Calcium hydroxide $(Ca(OH)_2)$
  • C
    Sodium carbonate $(Na_2CO_3)$
  • D
    Magnesium hydroxide $(Mg(OH)_2)$

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Identify the correct statements from the following.
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