Which of the following is not responsible for causing per... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

Which of the following is not responsible for causing permanent hardness of water ?

Correct answer: A

Explanation

Calcium bicarbonate (Ca(HCO3)2) causes temporary hardness, not permanent hardness.

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