Overview of Water — Properties & Importance to Life

When put in a container, water form a meniscus. This means that the water around the edges is higher than the water in the middle. Mercury forms a meniscus in he opposite way, with the sides being lower than the middle. — All liquids form a meniscus when placed in a container.

Image source: By karabekirus CC BY SA-2.0, via flikr.com

Water and mercury form menisci that point in different directions. Which of the following properties of water most likely causes the downward meniscus of water?

Choose one answer

Option A: A

The strength of cohesive forces in the liquid is weaker than the adhesive forces between the liquid and the wall.

Option B: B

The strength of cohesive forces in the liquid is the same as the adhesive forces between the liquid and the wall.

Option C: C

The strength of cohesive forces in the liquid is stronger than the adhesive forces between the liquid and the wall.

Option D: D

The strength of cohesive forces in the liquid is weak.

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