The purpose of adding Na2CO3 to water of low alkalinity i... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

The purpose of adding Na2CO3 to water of low alkalinity is to__________________?

Correct answer: A

Explanation

Adding Na2CO3 raises the alkalinity, which is necessary for alum to work properly as a coagulant.

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