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
41.硬水軟化在工業上(鍋爐用水)非常重要,主要目的是要去除溶於水中的何種金屬離子?(A)鈉和鉀 (B)鈣和鎂(C)銅和鎘(D)鋁和鋇
問題詳情
41.硬水軟化在工業上(鍋爐用水)非常重要,主要目的是要去除溶於水中的何種金屬離子?
(A)鈉和鉀
(B)鈣和鎂
(C)銅和鎘
(D)鋁和鋇
參考答案
答案:B
難度:
計算中
-1
書單:
沒有書單,新增
上一篇 :
【題組】150.What should the employees do upon receiving this email?(A)Subscribe to Mr. Bernard’s YouTube
下一篇 :
Questions151~152 refer to the following social media post.Feast Your Senses on Our New Menu Delights
資訊推薦
42.早期冰箱或汽車所使用的冷媒—氟利昂,之所以會破壞臭氧層,主要是因為其遇到紫外光後,會分解產生下列哪一個原子所導致?(A)碳原子(B)氫原子(C)氟原子(D)氯原子
【題組】152.What should customers do after trying the new menu at the cafe?(A)Keep their feedback to the
43.消費者文教基金會抽樣檢測,發現市面上某種「特級水果」含農藥殘餘量如下:抽樣200克該水果,檢測分析殘存農藥0.024克,則該農藥殘餘量為若干ppm?(A) 120(B) 80(C) 60(D)
Questions153~154 refer to the following letter.Dear Staff,Starting from October 1st, all 16 retail l
44在二十世紀中期,有一艘滿載精銅的貨船在航向日本的途中,堅硬的鋼製船身突然鏽蝕穿孔漏水。關於造成鋼迅速鏽蝕的原理,下列敘述何者最有可能?(A) 銅可以將鐵溶解(B) 銅活性比鐵小,加速鐵被氧化(C)
【題組】154.What does the discontinuation of lunch and transportation allowances for management staff du
45.下列有關石油的敘述,何者正確?(A) 汽油(C5〜C12)平均分子量比柴油(C16~C18)(B) 臺灣市售的92汽油為含鉛汽油,95汽油為無鉛汽油(C) 95無鉛汽油中含有重量組成95%的異辛
Questions155~157 refer to the following conversation.
46家庭用的清潔劑排放人河流中,試問其中含有下列何種物質時,容易造成水質優餐化?(A)碳酸廳(B)草酸鹽(C)硫酸鹽(D)磷酸鹽
【題組】156.How did Hunter react to Claire's decline?(A)He understood and suggested organizing the
47家庭用瓦斯筒,内裝高壓的液化瓦斯,主要成分為内烷;當瓦斯用盡時,筒內的氣體壓力約為若干atm?(A) 0(B) 0.5(C) 1.0(D) 2.0
【題組】157.What is Hunter's opinion about the next group buying event?(A)He thinks nobody will be
48下列操作,何項符合實驗室安全守則?(A) 若打破水銀溫度計,應先灑以硫粉覆蓋於散落之水銀上,反應成硫化求後,再予以掃除(B) 實驗操作完畢剩餘的小鈉粒,應丟進垃圾桶,不可倒入水槽中,以免產生氫氣而
Questions158~160 refer to the following social media post.Dear citizens,I am deeply disappointed to
49.下列有機物的名稱中,何者錯誤?(A) 1,2,2-四溴乙烷(B) 3,4-二溴1-丁烯(C) 3-甲基-2-戊醇(D) 2-乙基丁烷
【題組】159.Why does Jennifer Wang criticize the government's reasons for the delay?(A)The reasons
50某烴(只含碳氧的化合物)完全燃燒時,1體積烴試料與足量的氧反應,可產生同溫同壓時3體積之二氧化碳及4體積之水蒸氣。該烴之分子式為下列何者?(A) C3H8(B) C6H6(C) C3H6(D) C
【題組】160.What does Jennifer Wang urge the government to do?(A)Provide excuses for the delay.(B)Ignore
51.某元素其游離如下:IE1=138cal/mol,IE2=434cal/mol,IE3=656cal/mol,IE4=2767calmol,此元素價電子數有幾個?(A) 1(B) 2(C) 3(D
Questions161~163 refer to the following web page.Welcome to join us.Regardless of your reasons for v
52.下列各有機化合物中,何者分子間可形成氫键?(A) CH3CH2OH(B) CH3OCH3(C) CH3CHO(D) CH3COCH3
【題組】162.What is another reason people may choose to volunteer?(A)Getting paid.(B)Avoiding social int
【題組】163.What is a potential outcome of volunteering for career purposes?(A)Becoming less employable.
Questions164~167 refer to the following article.When an employee underperforms despite a promising i
【題組】165.How can employers encourage employee growth and motivation?(A)Open communication channels.(B