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Ch mia -voda

Voda. Chemick? vzorec H2O, n?zov oxid?n Je chemick? zl?cenina vod?ka a kysl?ka. Je z?kladnou podmienkou pre existenciu ?ivota na Zemi. Za norm?lnej teploty a tlaku je to bezfarebn?, c?ra kvapalina bez z?pachu a chuti. V pr?rode sa vyskytuje v troch skupenstv?ch: v pevnom(sneh lad),v kvapalnom (vo

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Ch mia -voda

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