When iron rusts, it is a(n) ___. A. chemical reaction B. physical change C. electrical reaction D. biological change 相关知识点: 试题来源: 解析 A。解析:铁生锈是化学反应,生成了新物质铁锈。选项 B 物理变化没有新物质生成,不符合。选项 C 电反应与题目无关。选项 D 生物变化不符合铁生锈...
How is rust a chemical reaction? What is formed when an atom loses or gains an electron? What is created when chemical reactions join atoms together? What are the chemical properties of transition metals? What reacts with chlorine? What is the definition of a chemical in science?
Another common chemical reaction is rusting. When iron is exposed to air and moisture, it slowly turns into rust. Rust is a different substance from iron. There are also many chemical reactions that happen in our bodies. For example, when we digest food, chemical reactions break down the ...
In a chemical reaction, iron reacts with oxygen to form rust. What is the English name for iron? A. Copper B. Aluminum C. Iron D. Silver 相关知识点: 试题来源: 解析 C。本题考查铁的英文名称。选项 A 是铜,选项 B 是铝,选项 D 是银。只有选项 C 是铁。
reactants, while subscripts within a compound indicate the number of atoms of each element. Balanced chemical equations typically list the state of matter of each reactant (s for solid, l for liquid, g for gas). So, the balanced equation for the chemical reaction of rust formation becomes:...
How to Stop RustCertain environments (and chemical compounds) make for better rust formation conditions. Things like acid rain, saltwater, and road salt all contribute to faster rust development. When it comes to corrosion, the important thing to remember is that once rust forms, it spreads ...
When an iron nail rusts, it is a ___. A. 声同响到处取上声同响到处取上chemical reaction声同响到处取上声同响到处取上 B. 红打厂想查领料选处别红打厂想查领料选处别physical change红打厂想查领料选处别红打厂想查领料选处别 C. 每指个见红厂离重每指个见红厂离重biological process每...
Rust is a form of corrosion that primarily affects iron and its alloys, such as steel. The chemical reaction between iron, oxygen, and water forms iron oxide, commonly known as rust. More specifically, it’s when elements, like iron, easily lose electrons, and an element such as oxygen ab...
What Is Rust? Rust is the common name for a very common compound: iron oxide. Iron oxide, the chemical Fe2O3, is common because iron combines very readily with oxygen — so readily, in fact, that pure iron rarely occurs in nature. Iron (or steel) rusting is an example of ...
What is the chemical name for rust? What is the chemical formula for blue vitriol, whose systematic name is copper (II) sulfate? Name the following compound: Cu(OH)2 What is cupric sulfate? What is the name for the compound with the formula BaSO_4?