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nguyenthanhtrucngoc2003
2 năm trước
Khí SO2 phản ứng được với tất cả các chất trong dãy nào sau đây? A. BaSO4 ; NaOH; Cu(OH)2 B. NaOH ; KCl ; Zn(OH)2 C. Na2O ; Ca(OH)2; H2O D. Ca(OH)2 ; BaCl2 ; Zn(OH)2
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