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hnaeun045nanana
2 năm trước
Cặp chất nào sau đây tác dụng được với nhau viết phương trình hóa học và ghi điều kiện phản ứng ( nếu có) a) Magie và dd HCl. b) Bari và Lưu huỳnh. c) Sắt và khí clo. d) Sắt và dd NaOH. e) khí clo và khí oxi. g) khí clo và nước . h) Natri và dd CuCl2. i) Sắt và lưu huỳnh
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