問題詳情
27. 下列何種變化不是氧化還原反應？
(A) 動植物的呼吸作用
(B) 金屬的生銹
(C) 汽油的燃燒
(D) 酸與鹼的中和
(A) 動植物的呼吸作用
(B) 金屬的生銹
(C) 汽油的燃燒
(D) 酸與鹼的中和
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
內容推薦
- 假設一計算機浮點數 ( floating point numbers ) 的型式如下： 其中 S = 0 為正，S = 1 為負，C = Exponent (指數) + 16，小數點在 man
- 6 Query vendors, customers, consultants and others who ....... business with companies in and around
- 在 25 ℃ 時，甲水溶液含 [H+] = 1 × 10– 6M，乙水溶液含 [OH–] = 1 × 10–12 M，丙水溶液的pH = 3，則比較此三種水溶液酸性，由強至弱依序為：(A) 甲
- 4 "We realized very early that we could not exist purely as a dotcom," says Sal Perisano,
- 3 That awareness was ....... home during a recent meeting with executives of another company, suppos
- 在 HCl 水溶液中，加入 NaOH 水溶液，則原來 HCl 水溶液的 pH 值會：(A) 上升 (B) 下降 (C) 不變 (D) 不一定
- 3 Anyone that has a business plan with a goal of e-commerce needs to ....... that business plan with
- 如欲中和 0.1 M 的 H2SO4 水溶液 10 毫升，則需 0.1 M 的 NaOH 水溶液多少毫升？(A) 5 (B) 10 (C) 20 (D) 40
- 若鹽類 ( NH4 )2SO4 溶於純水後生成 0.1 M 的水溶液，則該水溶液會呈現：(A) 弱酸性 (B) 弱鹼性 (C) 中性 (D) 強鹼性
- 有一可逆反應 A(g) + 2B(g)→C(g) + D(g)，其平衡常數會受到下列那一因素影響？(A) 催化劑種類 (B) 總壓力 (C) A 的初濃度 (D) 溫度
內容推薦
- 2 The tax is popular with the man ......., who believes, incorrectly, that it is paid by corporation
- 2 A contract between an individual and his or her employer is for the services s/he will provide in
- 6 Owning a store offers a natural ....... flow into and out of the store, which allows an entreprene
- 承第 38 題，計算 FIB( 5) 之值需呼叫 ( call ) 此一程序 ( procedure ) 多少次？(A) 13 (B) 14 (C) 15 (D) 16
- 8 A contract has been created when both the buyer and the seller have agreed that there will be some
- 3 The federal corporate income tax applies only to some businesses — those chartered as corporations
- 3 ....... a rental agreement to live in an apartment for one year is a kind of contract.(A) Writing
- 7 However, opening a retail store is an expensive ........(A) exploration (B) exposition (C) imposit
- 1 n. weather conditions; surrounding conditions; atmosphere; setting(A) discount (B) superior (C) fr
- 9 Any contract that is made to buy or sell something that is ....... is not enforceable under law.(A
- 4 .The federal tax is levied at three different rates on different ....... of income: 15 percent on
- 4 The tenant promises to pay a ....... amount of rent, and in return, the realty agent promises to s
- 8 For those of you who lack the funding needed to open a retail store right now, try renting a .....
- 1 v. to waver; to be uncertain; to vacillate; to falter; to be indecisive(A) signify (B) tie (C) hes
- 10 A contract is required to be made by those who are legally capable, a condition called ........(A
- 5 .A good reason that state and local corporate income taxes remain low is that corporations could e
- 5 A customer ....... into a contract each time s/he makes a purchase.(A) goes (B) joins (C) becomes
- 9 If you do want to set up ......., you should do whatever you can to learn about launching and runn
- ～ 題為題組下圖為中亞鹹海農業環境示意圖。請問：請選出上圖中丁、戊空格的最佳答案 (A)湖泊水位降低、沙漠化 (B)湖泊鹽分增高、沙漠化 (C)湖泊水位降低、鹽鹼化
- 8 Companies that occupy spots on your value chain often understand your business and customers well
- 6 Except for emergency taxes in wartime, corporate profits were first taxed in 1909, when Congress .
- 4 "One of them laid down a briefcase and out popped one of our business plans from a year ago,
- 10 Your best ....... is to determine ahead of time whether a multichannel strategy is a good move fo
- 2 In the traditional realm of business, you open a retail store first and then launch a website, but
- 1 adj. classified; secret; strictly private(A) senior (B) duplicate (C) confidential (D) manual