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41. 甲苯是一種碳氫化合物,常溫時為無色的液體,具有特殊的氣味且難溶於水,是製造塗料、黏著劑與指甲油時常用的溶劑,長期接觸可能會對神經系統造成傷害。根據上述,甲苯應為下列哪一類有機化合物?(A)酸類
問題詳情
41. 甲苯是一種碳氫化合物,常溫時為無色的液體,具有特殊的氣味且難溶於水,是製造塗料、黏著劑與指甲油時常用的溶劑,長期接觸可能會對神經系統造成傷害。根據上述,甲苯應為下列哪一類有機化合物?
(A)酸類
(B)醇類
(C)酯類
(D)烴類。
參考答案
答案:D
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上一篇 :
40. 附圖為某一種有機化合物的分子結構示意圖,根據其原子種類判斷,下列何者最可能是同一類的有機化合物? (A)水(B)甲烷 (C)乙醇(D)氫氧化鈉。
下一篇 :
42. 25℃時,以0.05 M的硫酸滴定未知濃度的氫氧化鈉800毫升,實驗裝置如附圖所示。則當滴定管滴出200毫升硫酸時,達到酸鹼中和,則氫氧化鈉的濃度為多少M? (A)0.025 (B)0.05
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