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T O P I C R E V I E W
phithienvu	Posted - 12/04/2003 : 20:02:29 Quang Minh chao cac ban! Xin hoi vai cau: 1. San xuat phen trong cong nghiep Al2(SO4)3.K2SO4.24H2O 2. Nhan biet K+, Na+ trong dung dich cua no( easy) 3. Dieu che bezen tu axit benzylic qua 1 phan ung 4. Dieu che bebzen tu phenol qua 1 phan ung(easy) 5. DDT la gi? Chat doc mau da cam? Minh

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