Химия из батарейки
Разбираем обычную солевую и щелочную батарейки, чтобы получить химические веще ...
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![[Спроси Ученого] Китайский вирус. Все что нужно знать.](https://sun9-60.userapi.com/c856020/v856020323/1e016d/Sjdv1xWcSek.jpg)
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