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Which of the following salts is the most common source of water hardness?

September 22, 2022
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Which of the following salts is the most common source of water hardness?

Q. Which of the following salts is the most common source of water hardness?

  1. Magnesium sulphate
  2. Magnesium bicarbonate
  3. Magnesium carbonate
  4. None of the above

Answer: Magnesium carbonate

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