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How Does A Paper Towel Clean Water 🤔

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Zack D. Films

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111,295 次观看 • 6 个月前 •via X (Twitter)

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Using red dye to demonstrate how Mercury cannot be absorbed by a towel. Mercury has strong cohesion relative to its weaker adhesion. So it does not adhere to dissimilar materials and will bead up. Water is the reverse. If you pour a small amount mercury on a towel, you will just get beads on the surface, while in the case of water, it would be pulled into the towel.
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