A paperclip may be placed on the surface of a glass of water and it will not sink because it does not break the surface tension of the water; this is due to the between the water molecules. Phospholipids Cholesterol Cohesion Adhesion
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As illustrated in Figure 15.11, it is possible to float a paper clip on the surface of water. However, if a small amount of detergent is added to the water the clip will no longer float. Why is this?
Surface Tension A paper clip, which has a density greater than that of water, can be made to stay on the surface of water. What procedures must you follow for this to happen? Explain.
Yuva S.
16. Surface tension that allows light weight and lightly placed objects to rest on top of water's surface is due to (cohesion/adhesion) of water molecules held together by (hydrogen/ionic/covalent) bonds. 17. Capillary action allows water to travel against the force of gravity due to (cohesion/adhesion) of water molecules, the sticking of water molecules to other surfaces and also by (cohesion/adhesion), the sticking of water molecules to each other as they travel up or across a surface.
Hemal K.
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