What happens when iron reacts with oxygen and water? A. Combination reaction B. Decomposition reaction C. Displacement reaction D. Double displacement reaction 相关知识点: 试题来源: 解析 A。本题考查化学反应类型。铁与氧气和水反应生成铁锈,是多种物质生成一种物质的反应,属于化合反应。
<p>To understand what happens when heavy water (D2O) reacts with sodium (Na), we can break down the reaction step by step:</p><p><strong>Step 1: Identify the Reactants</strong> The reactants in this reaction are heavy water (D2O) and sodium (Na). Heavy w
(i) When HCl reacts with finely powdered iron, it forms ferrous chloride. Fe+2HClrarrFeCl(2)+H(2) (ii) underset("(Conc.)")(3Cl(2)+6NaOH)overset("Hot")rarrunderset("Sodium Chlorate")(5NaCl+NaClO(3)+3H(2)O) (b) (i) In vapour state, sulphur partly exi
百度试题 结果1 题目5. It's not what happens to you,but how you react to it that matters.重要的不是发生了什么,而是你如何应对它。 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
thecolorstothearmyagain.Oncethathappens,artistscanbringEmperorQin?sarmybacktolife infull,vividcolor. ( )1.Theterracottasoldierswereconstructedto . A.showtheoutsideworldaboutChina?sgreatness B.beenjoyedbyeverydaypeople 30分钟能力强化组合练(三) 第10页 10 C.frightenChina?senemies D.protectEmperorQin?
What happens when a newspaper is recycled? It is cut up, mixed with water and chemicals and boiled before it is pressed into new paper. The___has many steps and uses a lot of energy. So is there a simpler way to deal with solid waste? Yes, there is. It’s called up cycling. ...
百度试题 结果1 题目3.重要的不是发生了什么,而是你如何应对它。(react to)It's not what happens to you, but how you react to it that matters 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
What happens chemically when a match is lit? A. Phosphorus on the match head reacts with oxygen B. Sulfur on the match head reacts with nitrogen C. Wood on the match reacts with carbon dioxide D. The glue on the match reacts with hydrogen ...
What happens when calcium reacts with water?Chemical ReactionsThere are five general categories of chemical reactions. These reaction types are: Synthesis Decomposition Single displacement Double displacement Combustion Calcium is an alkaline earth metal and water is a compound. They react when ...
百度试题 结果1 题目语法填空It's not what happens to you, but how you reactit that matters in your life. 相关知识点: 试题来源: 解析 to 反馈 收藏