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Chemistry · PYQ NEET UG 2019(1)

हिन्दी

The method used to remove temporary hardness of water is ____.

  1. Clark's method
  2. ion-exchange method
  3. synthetic resins method
  4. Calgon's method

Correct answer · Option 1

Clark's method

Explanation

Clark's method involves the addition of calculated amount of lime to remove temporary hardness by precipitation of calcium carbonate and magnesium hydroxide.

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