百度试题 结果1 题目It shows us how iron reacts___air and with water.相关知识点: 试题来源: 解析 with 反馈 收藏
It shows us how iron reacts ( 反应) with air and with water. Aim : To find out if iron rusts( 生锈) (a) in dry air ; (b) in water that has no air in it ( air- free water) ; (c) in ordinary water. Materials : 3 clean iron nails ( 铁钉) ; test tubes ; test ...
Below is a description of a single scientific experiment. It shows us how iron reacts ( 反应) with air and with water. Aim : To find out if iron rusts( 生锈) (a) in dry air ; (b) in water that has no air in it ( air- free water) ; (c) in ordinary water. ...
百度试题 结果1 题目④ It shows us how iron reactsair and water 它向我们展示了铁是如何与空气和水起反应的。[wih 相关知识点: 试题来源: 解析 with 反馈 收藏
根据所学内容和下列文章的语境,填入合适的词语 Below is a description of a simple scientific experiment.It shows us how iron reacts with air and with water. Aim:To find out if iron rusts in water that has
3.react vi.(化学)反应,起作用(教材 P44)When we use metals,it is important to knowhow they react with different substances, for example,water and oxygen.当我们使用金属时,了解它们与不同的物质如何发生反应很重要,比如,水和氧气。归纳拓展(1)react to对……做出反应;回应react with与……产生化学反应...
Rust is created when iron reacts with oxygen and water, resulting in an unsightly orange stain that begins to corrode the metal; this is known as iron oxide. Many different things can cause cars to rust, and some speed up the process considerably. iStock.com/Shol Age is one of the ...
A. react; reacts with B. react; reacts to 精英家教网>高中英语>题目详情 This chemical class is about the ___ of metals with oxygen and our teacher shows us how iron ___ air and water. A. react; reacts with B. react; reacts to C. reaction...
Until now, it was unknown how and why clay minerals with trace amounts of reduced iron react when no oxygen is present. This graphic depicts the reactive system described in the paper, displaying the structure of the clay mineral nontronite with both oxidized iron (orange) and reduced iron ...
Until now, it was unknown how and why clay minerals with trace amounts of reduced iron react when no oxygen is present. This graphic depicts the reactive system described in the paper, displaying the structure of the clay mineral nontronite with both oxidized iron (orange) and reduced iron ...