Question

Capillary action is the result of adhesion. Which aspect of water is responsible for this?
Question 24 options:

hydrogen bonds between water and another substance

polar covalent bonds that join molecules of water to other substances

nonpolar covalent bonds that enable water to dissolve other substances

ionic bonds that enable electrons to flow through water and into another substance

Answer 1

A. Hydrogen bonds between water and another substance is responsible for capillary action.

Explanation:

Hydrogen bonds are formed between two water molecules. The negative Oxygen end of one water molecule is attracted to the positive Hydrogen end of another water molecule. This forms a hydrogen bond.

Water shows both cohesive and adhesive properties. Both cohesion and adhesion is due to the ability of water to form hydrogen bonds with itself and other substance molecules. Capillary action is a result of adhesion between water and the substance. The strong surface tension and adhesion of water molecules pull each other when in a thin capillary tube and make them rise up. This hydrogen bonding is due to the polarity of a water molecule.

Answer 2

Capillary action is the result of adhesion, the aspect of water is responsible for this - hydrogen bonds between water and another substance

In water, there is a large difference in the electronegativity of Oxygen and Hydrogen which creates a positive side of the molecule and a negative side of the molecule.

• The polar nature of the water molecule attracts other molecules besides water molecules.

• Positive ions are attracted to the Negative Oxygen and Negative ions to the Hydrogen.

• The attraction of the polar water molecules for other molecules is adhesion.
• Water will make hydrogen bonds with other surfaces such as glass in Capillary action.

Thus, Capillary action is the result of adhesion, the aspect of water is responsible for this - hydrogen bonds between water and another substance

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