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lequocbaoa1
2 năm trước
Dãy các chất chỉ là bazo tan(kiềm) A. KOH, Fe2O3 , Cu(OH)2 B. Fe(OH)2, Ca(OH)2, Al (OH)3 C. KOH, NaOH, Ba(OH)2 D. KOH, Mg(OH)2, NaOH
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