Chemistry is a familiar school subject
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Everyone liked to observe the reaction of reagents. But few know interesting facts about chemistry, which we will discuss in this article.
Two chemistry egg tricks
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The French have a saying: "You cannot cook an omelet without breaking eggs."Chemists hearing this proverb totally disagree. There is nothing easier than cleaning an egg without breaking its shell.
Probably our readers have already guessed how to do this, as it’s known that the hard shell of the egg is carbon dioxide, like chalk and marble.
Where is ozone used?
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Ozone is widely used in various areas of our life. It is used in medicine, in industry, in everyday life.
Bubbles
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Have you ever noticed that soap bubbles go up in winter and fall down in summer? The reason is that warm air is lighter than cold. And in winter the difference between the air temperature in the room (especially near the windows) and the one you exhale into the bubble is enough to overcome the heaviness of its shell.
Wild patina, is it so bad?
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Usually this kind of patina appears on monuments. The most striking example is the Statue of Liberty in New York.