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kenjipham02
2 năm trước
a. Hoàn thành các phương trình hóa học sau: K2O + H2O ............ Fe + HCl ............ Cho biết các phản ứng trên thuộc loại phản ứng gì? b. Hãy gọi tên các hợp chất có công thức sau: CuO , HCl , NaOH , CuSO4.
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