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Because the ceramic or glass disc rattles as the water boils alerting you that the water is boiling therefore you do not forget about it and it does not boil over.
Besides functioning as an audible alerter, the ceramic or glass disc will absorb excess heat in the pot. This is especially true when you are boiling something starchy such as rice or pasta. The layer of starch floats to the surface of the water and prevents the water from giving off it's excess heat. The ceramic or glass disc absorbs this extra heat and prevents the water from super-heating and boiling over.
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∙ 11y ago
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Can boiling water will stay at the same temperature when you lower the heat under it but keep it boiling?
Yes
Why would anyone use ceramic dishes to heat or keep water cool?
Ceramic is an excellent insulator. This is why coffee cups are made of ceramic. They keep your coffee hot for a long time. Metal cups, in contrast, conduct heat quite rapidly.
Why does a boiling milk overflow but a boiling water does not?
Boiling milk over flows because, they're chemicals in the milk to keep it safe that react badly when boiling, and tend to overflow from the container it is in.
What is the meaning of rolling boiling in cooking?
It refers to a boil. When water is boiling, a rolling boil is when you are stirring the water and it is still boiling.
Can you use cooking spray in boiling water?
Yes, but spraying it in the water before the water gets hot and boils is the best for safety. A bit of oil in the water when boiling pasta will keep it from sticking together.
How did vikings keep their water fresh?
Boiling it then storing it in animal skin containers.....
How do you get salt from a salt and water solution?
keep boiling the water until all the water has evapotated...using lab equipment
How does antifreeze keep the water in your radiator from freezing and overheating?
It changes the freezing and boiling point.
What chemical is useful as a nuclear powered battery?
Plutonium oxide, baked into a ceramic form to keep it from migrating into the air or water.
Will water keep on boiling forever if a sausepan is left on a hot stove?
Boiling water changes it's state from a liquid (water) into a gas (steam) so water left on a hot stove top will eventually disappear as it all turns to steam.
How long will refrigerated peas keep?
In the refrigerator peas should keep for a few days. Be sure to keep them in a zip lock bag and not in a can.
Why does the temperature qoes down when it reaches the boiling point?
when water it reached it's boiling point it starts to become a gas and disappear into the air so it would be hard to keep on getting hotter.
