Experiment with egg and vinegar

Did you know that if you put an egg in vinegar for two days, the egg shells dissolve and become elastic. Influenced vinegar calcium, of which the shell is dissolved and disappears in the form of gas bubbles. It turns funny egg that looks like jelly. If you put the experiment on boiled egg, it will become elastic, like a rubber ball.

Pour vinegar (9%) in a transparent glass and drop in a hen's egg. On the surface of the egg immediately begins to release carbon dioxide.

The shells of birds' eggs is 90 percent calcium carbonate. Therefore, by reaction with an acid, it begins to disintegrate, releasing CO2.

After 12 - 15 hours, we see what happens. Calcium is dissolved with the egg surface. Once the film has remained intact between shell and egg.

Remove the egg from the vinegar and rinse with running water.

Egg slightly increased in size as to be fed with vinegar.

No shell egg and you can play as the ball. The film is very thin, and therefore, may tear during rough handling.

Now it is possible to educate the rubber egg naskvoz.









Warning: eat an egg is prohibited! See also: How to cook an egg in your pocket? Do it yourself. Hearts of boiled eggs.

Source: bigpicture.ru/?p=281404