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doanthinhaquyen6706
2 năm trước
Bài 1 Trong các CTHH sau: BaO, C2H6O, ZnO, SO3, KOH, CO2. a) CTHH nào là CTHH của oxit. b) Phân loại oxit axit và oxit bazơ. c) Gọi tên các oxit đó.
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