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The rise around the edges is called the meniscus, like capillary action this is caused by the adhesion of the liquid molecules to the walls of the container. In a large bore tube like a test tube or graduated cylinder this pulls up the edge and creates a concave meniscus, in a smaller bore tube this actually pulls the liquid toward the top of the tube.

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15y ago
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5mo ago

Capillary action. It occurs due to the adhesive forces between the water molecules and the walls of the test tube, causing the water to climb up the tube against the force of gravity.

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12y ago

"capillary action"

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Capillary action.

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11y ago

Capillary attraction.

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Capillary Action

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