Предмет: Химия, автор: znatokkatok36

під час пропускання електр. струму виділився кисень-хімічне чи фізичне явище?

Ответы

Автор ответа: Aleekseev
0
хімічне явище ........
Автор ответа: sproskyrnya
0
Хімічне явище .......

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