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Why do the bubbles of a bubble bath disappear when a …
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Why do the bubbles of a bubble bath disappear when a …
Website URL:
https://www.theguardian.com/notesandqueries/query/0,,-1025,00.html
Category:
Flowers
Why do the bubbles of a bubble bath disappear when a bar of soap is put into the water? ... Soap only defoams a bath in the presence of water "hardness".
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