Question

When soap react with hard water a white curdy precipitate formed is called

Answer 1

Answer:

Explanation:

Scum.

Hard water often contains salts of calcium and magnesium. Soap molecules react with the salts of calcium and magnesium and form a precipitate. This precipitate begins floating as an off-white layer over water. This layer is called scum.

Answer 2

Answer:

When soap reacts with hard water the white curdy precipitate formed is called The Scum

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