題庫堂
檢索
題庫堂
首頁
數學
英文學習
政治學
統計學
經濟學
藥理學
中醫藥物學
財政學
法學知識
公共行政
警察學
BI規劃師
財務管理
公共衛生學
工程經濟學
電力電子學
當前位置:
首頁
49.有關兩階段化學氧化程序處理含氰化物廢水的敘述,下列何者正確?(A)氰酸鹽中的碳原子氧化數為+2(B)氰化氫中的碳原子氧化數為+4(C)第一階段的氧化程序以次氯酸將氰離子氧化成氰化氫(D)第一階段
問題詳情
49.有關兩階段化學氧化程序處理含氰化物廢水的敘述,下列何者正確?
(A)氰酸鹽中的碳原子氧化數為+2
(B)氰化氫中的碳原子氧化數為+4
(C)第一階段的氧化程序以次氯酸將氰離子氧化成氰化氫
(D)第一階段的氧化程序以次氯酸將氰離子氧化成氰酸鹽
參考答案
答案:D
難度:
非常困難
0
書單:
沒有書單,新增
上一篇 :
48.下列何者可能不是添加有機高分子混凝劑(polymer)去除水中顆粒的機制?(A)壓縮電雙層 (B)電性中和 (C)掃除機制 (D)架橋作用
下一篇 :
50.一垃圾樣品之濕基物理組成,廚餘類佔 40%,且含水率為 75%。垃圾樣品中其它物質的含水率為15%。則廚餘類占此垃圾樣品之乾基物理組成的百分比為何?(A) 16.4 (B) 19.6 (C) 3
資訊推薦
7. 機關間請求協助事項,屬勞務之委任,不論是否涉及公權力行使,應依政府採購法規定辦理。(A)O(B)X
27. My niece screamed in ________ on seeing her birthday gift—AirPods she had dreamed of receiving.(
28. As the violent typhoon raged on, we were ________ in the house, unable to go anywhere.(A) reserv
29. As the head ________ of this award-winning restaurant, Archie is always creating new recipes.(A)
30. Before sharing news, search online for facts and ________ the information so that you won’t beco
31. Anna found it hard to adjust to the ________ climate when she moved to Thailand. The heat was to
32. Considering consumers’ tighter budget, Apple is expected to release a more ________ model this s
33. As the government is stepping up efforts to put the disease under control, the tourist industry
34. The singer Elton John apologized to his fans after he lost his voice and ________ to cut a conce
35. Allen looked upset when he gazed at the picture, ________? I wonder what he was thinking about t
36. Your brother seems to have a crush on the girl ________ father owns the restaurant across the ro
37. All you need to do when preparing for big exams ________ study hard and do enough practices.(A)
38. ________, the more mental workouts you get. That is, regular reading keeps your brain active.(A)
39. _______ the spread of COVID-19, one must ensure that their hands are free from germs. Washing ha
40. Willy is filled with regrets. If he ________ smoking years ago, he might not have lung cancer no
三、克漏字測驗【請依照段落上下文意,選出最適當的答案】 Young smokers beware: On Monday, it became illegal in Iowa for anyone un
【題組】42. (A) given (B) rewarded (C) fined (D) frowned
【題組】43. (A) reduce (B) increase (C) allow (D) perform
【題組】44. (A) very (B) much (C) too (D) extremely
【題組】45. (A) encourage (B) prohibit (C) let (D) take
四、閱讀測驗 I am one of those people who spend much time in coffeehouses talking to and observing others.
【題組】47. Where did the author meet these English gentlemen?(A) At a steak house. (B) At a barbershop.
【題組】48. Of the following counties, which was NOT mentioned in the passage?(A) France (B) Denmark (C)
【題組】49. According to the passage, which of the following statements is true?(A) The author did not t
【題組】50. Which of the following ideas is supported by the passage?(A) National prejudice prevents us