資訊推薦

• 7. NCS- is a kind of ambidentate ligands. Both of N and S can serve as the Lewis base to coordinate
• 8. The four lattice types of unit cells, primitive (P), face-centered (F), body-centered (I), and si
• 9. About the periodic table, which description is incorrect? (A) The group of alkali elements are o
• 10. CH3COOH(aq)+H2O(I)→H3O+(aq)+CH3COO-(aq),whichdescriptionis incorrect? (A)Ka = [H3O+] [CH3COO-]\
• 11. A I2 +B OH-→ CI- + D IO3-+ E H2O, please confirm which value is not right for A, B, C, D, and E.
• 12. Isomerism is important in the coordination chemistry. Which description is correct? (A) Linkage
• 13. X-ray is discovered by Wilhelm Conrad Rontgen and widely used in different areas. About the X-ra
• 14. A chemical bond length is closed to: (A) 10 mm, (B) 1 nm, (C) 0.1 nm (D) 0.1 pm or (E) 1 pm.
• 15. A C–C bond dissociation energy is closed 1o: (A) 1 kcal\/mol. (B) 10 kcal\/mol. (C) 100 kcal\
• 16. The complex that does not obey 1 8-electron rule is: (A) [(η5-C5H5)FECI(CO)(PPh3)] (B)[Cr(CO)3(
• 17. Complexes of general formula. fac-[Mo CO)3(phosphine):] have the C-O stretching frequencies as g
• 23. 某鹽酸水溶液中的氫離子濃度是 1.3 M，請計算該溶液中的氫氧根離子濃度是多少 M？ (A) (B) (C) (D)
• 22. 停水後再復水，容易發生______造成水質不佳。 (A)污水入侵 (B)水垢剝落、底泥擾動濁度增加 (C)管材連接脫落 (D)pH 降低
• 23. 市區道路原則上距離多少需要設置一個消防栓？ (A)每 60-120 公尺 (B)每 200 公尺 (C)每 1 公里 (D)每 10 公里
• 24. Ct 值主要是以下何者的評估指標？ (A)沉澱 (B)過濾 (C)水齡 (D)消毒
• 25. 原水中常見的梨形鞭毛蟲及隱孢子蟲主要的來源是? (A)工業污水排放 (B)畜牧廢水 (C)科技業廢水 (D)水中的魚類
• 26. 「大腸桿菌」指的是？ (A)Coliform (B)Fecal coliform (C)Escherichia coli (D)Giadia
• 27. 減少管網中病原菌或污染入侵的最基本原則是維持管網的_______。 (A)水溫 (B)餘氯 (C)溶氧 (D)水壓
• 28. 突然關閉配水管網中水閥，隨之產生之瞬間高壓稱為______現象。 (A)水錘 (B)孔蝕 (C)虹吸 (D)剪力
• 29. 下列何種滅火器不適用於撲滅電氣火災？ (A)泡沫 (B)二氧化碳 (C)ABC 乾粉 (D)BC 乾粉
• 30. 高壓配電盤在送電中的指示燈號顏色為______色。 (A)黃 (B)綠 (C)藍 (D)紅
• 18. Given a qualitative d orbital splitting diagrams of three-fold symmetric homobimetallic complexe
• 24. 某雨水水樣分析的pH = 4.82，請問此雨水中的氫離子濃度是多少M？ (A) (B) (C) (D)
• 19. The complex ion [Cr(CN)6]4- has magnetic properties that correspond to how many unpaired electro
• 20. Ethylenediaminetetraacetic acid (EDTA) is: (A) not useful as a chelating agent. (B) an effective