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apink69bill
2 năm trước
Câu 1. Đọc tên các oxit sau: a) Al2O3 ......................................... c) SO3 .................................................. b) P2O5 ......................................... d) Fe2O3................................................. Câu 2. Lập phương trình hóa học của các phản ứng sau : a) P + O2 ---> P2O5 b) KClO3 ---> KCl + O2. c) Al + Cl2 ---> AlCl3 d) C2H4 + O2 ---> CO2 + H2O
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