Предмет: Химия, автор: vef554z8jm

За допомогою якої властивості можна зібрати кисень у посудину шляхом витіснення повітря?

Ответы

Автор ответа: Darochkka

При збиранні над водою кисень, який виділяється, поступово витісняє воду з пробірки, яку заздалегідь заповненюють водою. Коли газ повністю витіснить воду із пробірки, її отвір закривають і лише після цього виймають з води і перевертають.

Darochkka: Кисень, який надходить у посудину через скляну трубку поступово витісняє повітря. Щоб уникнути змішування кисню з атмосферним повітрям, отвір посудини нещільно закривають шматочком вати або фільтрувальним папером.
Вот это правильный ответ,там про воду,тут про воздух

vef554z8jm: Дуже дякую !!

Автор ответа: Polina20090621

Відповідь:

витісненням води

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