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A waxed car is not hydrophilic, it is not wetted with water. A drop of water falling on such a surface does not speak out wetting the surface. Instead the surface tension of the water drop pulls it into a spherical shape that sits on top of the surface until it either slides off or evaporates.

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Daryl Kemmer

Lvl 13
1y ago
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AnswerBot

5mo ago

Water beads up on a waxed car because the surface tension is higher on the hydrophilic wax coating, causing the water to form droplets. Gasoline, being a nonpolar solvent, has lower surface tension and can spread out over the surface of the car instead of beading up.

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Wiki User

6y ago

A waxed surface is hydrophobic; gasoline can dissolve a wax.

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Q: Why does water bead up on a waxed car but gasoline spreads out?
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Why does water bead up on a waxed car but gasoline does not?

Water has a higher surface tension than gasoline, causing it to bead up on a waxed surface. The hydrophobic properties of the wax repel the water, leading to beading. Gasoline, on the other hand, has a lower surface tension than water and does not experience the same beading effect on a waxed surface.


Why do water drops bead on a freshly waxed surface?

Water drops bead on a freshly waxed surface because the wax creates a hydrophobic barrier that repels water. This causes the water to form into beads instead of spreading out. The surface tension of the water also helps to maintain the spherical shape of the droplets on the waxed surface.


Which property of water causes water drops to bead on s freshly waxed car?

Water molecules are sticky due to hydrogen bonds


What happens when you drop one drop of water on waxed paper?

When you drop one drop of water on waxed paper, the water will bead up and form a circular shape due to the hydrophobic properties of the wax. This occurs because the wax repels the water, preventing it from spreading out or being absorbed into the paper.


Does rooms to go sell bead spreads with their beds?

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Would mercury bead up more on a waxed or unwaxed car?

Mercury would bead up more on a waxed car. The wax provides a hydrophobic surface that repels water and other liquids, causing them to bead up instead of spreading out. That same principle applies to mercury.


Why do beads of water often form on a slippery surface such as a freshly waxed car?

Beads of water form on a slippery surface like a freshly waxed car because the surface tension of water causes it to bead up rather than spread out. The hydrophobic nature of the wax repels water, causing it to form into droplets instead of wetting the surface.


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Why does water bead up on freshly waxed car?

Wax is hydrophobic, meaning it repels water. Of course, this repulsion is not strong enough to make the water hover a millimeter above the surface, but it is strong enough to force the water to act in this way, rather than sit there in a thin sheet. The "surface tension" of the water itself also plays a role.


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A cylinder bead is usually called a bugle bead.