Ch\u01b0\u01a1ng 7: B\u00e0i 35 : Benzen v\u00e0 \u0111\u1ed3ng \u0111\u1eb3ng. M\u1ed9t s\u1ed1 hi\u0111rocacbon th\u01a1m kh\u00e1c<\/a><\/blockquote><\/iframe>