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
10.银质器皿日久表面会逐渐变黑,这是生成了Ag2S的缘故.根据电化学原理可进行如下处理:在铝质容器中加入食盐溶液,再将变黑的银器漫入该溶液中,一段时间后发现黑色会褪去。下列说法正确的是(A)处理过程
問題詳情
10.银质器皿日久表面会逐渐变黑,这是生成了Ag2S的缘故.根据电化学原理可进行如下处理:在铝质容器中加入食盐溶液,再将变黑的银器漫入该溶液中,一段时间后发现黑色会褪去。下列说法正确的是
(A)处理过程中银器一直保持恒重
(B)银器为正极,Ag2S被还原生成单质银
(C)该过程中总反应为2Al + 3Ag2S = 6Ag + A12S3
(D)黑色褪去的原因是黑色Ag2S转化为白色AgCl
參考答案
答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
上一篇 :
25.—The boss said we had only three days to finish the work.—Don't worry. We have already _____
下一篇 :
26. The Chinese are proud of the 29'e Olympic Games ________ in Beijing in 2008.(A)hold (B)hold
資訊推薦
35.—Why didn't you tell him about the meeting?—He rushed out of the room ______ I could say a w
11.己知某溶液中含有C1-, Br-和CrO42-,浓度均为0.010mo1·L-,向该溶液中逐滴加入0.010mol·L-1的AgNO3溶液时,三种阴离子产生沉淀的先后顺序为(A)C1- 、Br-
27. —Did you enjoy yourself at the party?—Yes. I've never been to ________ one before.(A)a more
第二节 完形填空(共20小题;每小题1.5分,满分30分)阅读下面短文,从短文后所给的四个选项(A,B,C和D)中,选出可以填人空白处的最佳选项,并在答题卡上将该项涂黑。One day, Raul w
第三部分 阅读理解(共20小题;每小题2分,满分40分)阅读下列5篇短文,从每题所给的A,B,C,D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。AI was the middle child o
【題組】57. From the text, we learn that as a little boy the writer_.(A)had no playmates(B)showed his gi
【題組】58. What can be inferred about the writer?(A)He was least favoured in his family.(B)He had much
【題組】68. The writer thinks that, if a child wants to buy something, his parents should _______.(A)giv
BWelcome to Ontario Parks,a new body set up to manage Ontario's most treasured special places,
2.根据《企业会计准则》的规定,下列时间段中,不作为会计期间的是()(A)年度 (B)半月 (C)季度 (D)月度。
【題組】69. The underlined word“incentive" in paragraph 6 means _____.(A)honor (B)praise (C)excitem
【題組】60. The facility improvements of Ontario Parks include_.(A)new programs and services(B)new comfo
3.反映企业经营成果的会计要素,也称为动态会计要素,构成利润表的基本框架。下列不属于动态会计要素的是( )。(A)收入 (B)成本 (C)费用 (D)利润
12.下列不可以作为同一张记账凭证填列根据的是()(A)某一张记账凭证 (B)若干张记账凭证(C)原始凭证汇总表 (D)不同内容和类别的原始凭证
【題組】70. What leads the writer to write this article?(A)Parents want to know how to educate their chi
【題組】61.From paragraph 4,we know that Ontario Parks offers visitors_.(A)the world's new sports a
4.下列不属于非流动负债的是()(A)应付票据 (B)应付债券 (C)长期借款 (D)长期应付款
11.己知某溶液中含有C1-, Br-和CrO42-,浓度均为0.010mo1·L-,向该溶液中逐滴加入0.010mol·L-1的AgNO3溶液时,三种阴离子产生沉淀的先后顺序为(A) C1- 、Br
13.下列不属于按外型特征不同分类的账簿是()(A)备查账簿 (B)订本式账簿 (C)活页式账簿 (D)卡片式账簿
EInstead of hitting the beach,fourteen high school students traded swimming suits for lab coats last
【題組】62. According to the text, we can safely say that_.(A)some visitors suggested more campsites(B)a
5.下列不属于总账科目的是()(A)原材料 (B)甲材料 (C)应付账款 (D)应收账款
20.“待处理财产损溢”账户借方核算()(A)发生待处理财产的盘亏或毀损数(B)财产盘盈数(C)发生待处理财产的盘盈数(D)结转已批准处理的财产盘亏数或毀损数
14.下列不属于账簿按其帐页格式不同分类的是()(A)分类账簿 (B)三栏式账簿 (C)多栏式账簿 (D)数量金额式
【題組】72. It can be inferred from the text that the students in poorer areas ______.(A)had little chan