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The bubbles are water vapour (ie steam) bubbles, not air. Therefore any heating of water back up to boiling point will renew the process of water vapour bubbles occurring.
When water boils, the heat converts some of the water to steam and each bubble is a steam bubble. Steam is a gas that is lighter than water, and so the bubbles rise to the surface of the water where the steam is released. As the steam cools in the air, it forms water vapor, and that is what we see. Most people call the vapor "steam", but steam is a transparent gas, like air.
No. They are not the same. Distilled water is only water. Boiled water will likely contain minerals.
It is a physical change because it is evaporation. Physical changes can be undone. If it was a chemical reaction it would be permanent like burning wood.
Rusting will occur in boiled water but at a very slow rate. This is mainly due to the fact that water which is boiled is said to be de-ionized.
The bubbles are water vapour (ie steam) bubbles, not air. Therefore any heating of water back up to boiling point will renew the process of water vapour bubbles occurring.
Boiled Water.
If there are big bubbles that pop then it is boiled
When you boil water, a lot of air-bubbles appears on the surface. it is the water turning into steam.
Because they don't like each other. This is currently on unfriendable.com
No, boiled water is simply boiled. Distilled water is when the steam from the boiling is gathered and rebottled.
When water boils, the heat converts some of the water to steam and each bubble is a steam bubble. Steam is a gas that is lighter than water, and so the bubbles rise to the surface of the water where the steam is released. As the steam cools in the air, it forms water vapor, and that is what we see. Most people call the vapor "steam", but steam is a transparent gas, like air.
Boiled water.
In the period immediately before vigorous boiling, there will be large thermal convection currents. These will be visible due to refractive differences in the water volume, and disturbances on the surface.
When water is boiled it changes from liquid to a gas.
boiled water
These bubbles contain air.