搜索优化
English
搜索
Copilot
图片
视频
地图
资讯
购物
更多
航班
旅游
酒店
房地产
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
按相关度排序
按时间排序
BBC
4 年
Chemical analysis - (CCEA) Tests for anions
Their ions are called halide ions e.g. chloride, Cl-. You can test for them using silver nitrate solution.
BBC
8 个月
Planning experiments to identify ions
Cation Fe 2+ Test Make into a solution and add an excess of NaOH solution or NH 3 solution. Result Green precipitate which remains when excess NaOH solution or excess NH 3 solution added.
当前正在显示可能无法访问的结果。
隐藏无法访问的结果
今日热点
Murder suspect charged
Not guilty in subway death
2024 word of the year
X removes image generator
US renews push to find Tice
Baseball’s HOF inductees
Quakes hit Alaska islands
Swift’s Eras Tour ends
Deputy secretary of state
Judge reviews Infowars sale
On birthright citizenship
Set to take witness stand
Declines to lift gag order
Trust restructuring fails
Travel ban on SK president
Syria's chemical weapons hit
Cardiovascular disease risk
Women drop lawsuit
Oldest stone tablet auction
Ink distribution deal
Red-flag warnings in CA
Targeted by a bomb threat
TN grabs No. 1 in AP Top 25
Bans cancer causing solvents
China deploys 90 ships
Kanlaon volcano erupts
Osprey flights paused again
Read's second trial delayed
Golden Globes nominations
NFL streaming record set
China opens investigation
反馈