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26 二乙醚(或稱乙醚)在過去常用來當麻醉劑,在醫學上應用甚廣。但由於其易燃性,故使用時須小心。下列何者為二乙醚的化學式?(A)CH3OCH3 (B)CH3COCH3 (C)CH3OCH2CH3 (D
問題詳情
26 二乙醚(或稱乙醚)在過去常用來當麻醉劑,在醫學上應用甚廣。但由於其易燃性,故使用時須小心。下列何者為二乙醚的化學式?
(A)CH3OCH3
(B)CH3COCH3
(C)CH3OCH2CH3
(D)CH3CH2OCH2CH3
參考答案
答案:D
難度:困難0.247525
統計:A(39),B(62),C(51),D(50),E(0)
用户評論
【用戶】
PoJen Wang
【年級】高一上
【評論內容】分子式: (C2H5)2O
【用戶】
PoJen Wang
【年級】高一上
【評論內容】分子式: (C2H5)2O
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【題組】27.根據表一的內容,面對2002年的經濟情勢,你會提出哪一種建議給政府相關單位?(A)減少政府的相關支出,以提振政府的景氣(B)鼓勵民間減少消費,提升國家的整體儲蓄(C)採取出口補貼政策,以
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