1)Scrie ecuaţiile reacţiilor conform schemelor şi egalează: Fe(OH) 3 + HNO 3 = ? + ?
Cu(NO 3 ) 2 + ? = Cu(OH) 2 + ?
P 2 O 5 + H 2 O = ?
Zn(OH) 2 = ? + ?
FeO + H CI = ? + ?
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