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airplane17121997
2 năm trước
Nhận xét nào sau đây là sai? A: Sự oxi hóa chậm là quá trình oxi hóa có kèm theo tỏa nhiệt nhưng không phát sáng. B: Oxi là chất oxi hóa trong các phản ứng hóa học. C: Sự cháy là sự oxi hóa có kèm theo tỏa nhiệt và không phát sáng. D: Sự oxi hóa là quá trình tác dụng của một chất với oxi.
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