When calcium oxide reacts with water, the temperature of the mixture ___. A. decrea
Calcium is an alkaline earth metal and water is a compound. They react when combined. Answer and Explanation:1 Calcium hydroxide and hydrogen gas are generated when calcium reacts with water. This is a single displacement reaction. The equation is: ...
iron reacts with air and with water. 相关知识点: 试题来源: 解析 【解析】【文章大意】本文通过三个实验,表明金属与水喝空气的反应过程及结果。1【答案】using【解析】句意:当使用金属时,了解它们是如何与其他物质如何反应是很重要的。此题考查状语从句的省略,动词use和逻辑主语之间为主动关系,因此要用using2...
react 3.and the metals at the bottom react least.When you heat calcium in oxygen,you'll find it burns 4.(form)an oxide.And it can 5.(easy)be seen that copper doesn't react withwater.In the first part of the experiment in Passage B,theair is dry,not wet.It shows that iron ...
have different1.When we use metals, it is2to know how they3with different4.The reaction of metals with these substances can be put in5.From the6, we can find that potassium reacts7with oxygen and water while8doesn’t react with water.When we9calcium in oxygen, it burns to10an oxide....
From the table, we can find that potassium(钾) reacts most with water 4.copper doesn't react with water. When we heat calcium in oxygen, it5. (burn) to form an oxide.In 6.second part of the experiment, you must boil the water 7.(make)sure there is no air in it. You add ...
The 2 of metals with these substances can be put 3 . From the table. we can draw the 4 that potassium reacts most with oxygen and water 5 copper doesn't react with water. When we heat calcium in oxygen. it burns to 6 an oxide.In the second part of the experiment. you must 7...
The4.(react) of metals with these substances can5.(put) in order. From the table, we can findpotassium reacts 6.most with oxygen and water7. copper 8.(not, react) with water.9.we heat calcium in oxygen, it burns 10.(form)an oxide....
Graphene oxide is prepared from commercial graphite powder and reacted with sodium alginate and calcium chloride to form the beads of CA-GO composite. The... S Ahmed,TR Choudhury,MZ Alam,... - 《Cleaner Water》 被引量: 0发表: 2024年 加载更多研究点推荐 calcium chloride sodium sulfate ...
<p><strong>Step-by-Step Solution:</strong></p><p>1. <strong>Identify the Reactants</strong>: The reactants in this reaction are aluminium (Al) and water (H2O).</p><p>2. <strong>Understand the Reaction</strong>: Aluminium can react with water, especially