皮皮学，免费搜题
登录
搜题
【单选题】
下列用于鉴定金属离子的试剂及对应特征现象，描述错误的是A.
Mn 2+ ： NaBiO 3 (s)( 硝酸酸化 ) ，溶液变成紫红色
B.
Pb2+ ： K2CrO4 ，产生黄色沉淀；
C.
Co2+ ： KSCN(s)( 丙酮 ) ，溶液变成蓝色；
D.
Sn2+ ： HgCl2( 适量 ) ，产生白色沉淀后变黑色。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】A structural arrangement in which domestic divisions are given worldwide responsibility for product groups is referred to as a(n):
A.
International division structure
B.
Global product division structure
C.
Global area division structure
D.
Global functional division structure
【简答题】What kind of student comes to (_______1)? The answer to this is, there is no “Oxford Type.” Common qualities they look for are (___________2), enthusiasm and motivation for your chosen area of study b...
【单选题】In a _____, individual managers belong to two hierarchies (a divisional hierarchy and an area hierarchy) and have two bosses (a divisional boss and an area boss).
A.
worldwide product division structure
B.
classic matrix structure
C.
worldwide area structure
D.
performance structure
【简答题】完形填空。 This is 1 ideal (理想的) room. It's a 2 room. There 3 a bed, a chair, a bookcase and a desk in it. Oh, 4 under the bed? It's a cat. Some books and CDs 5 on the bookcase,and there is a cup 6 the des...
【简答题】将下列段落翻译成中文 There, very limited applications in this area of snow melting with p avemen t snow melting project in Argentina, Iceland, Japan, Switzerland and the United States. A total of about two mill...
【简答题】Water Shortages Continue to Threaten the World's Growing Population The lack of clean drinking water is a major problem worldwide. The World Health Organization says more than one billion people live...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
