material,matter,substance5. Steel is a mixture of iron and other6. That is aOf_(principle7. Tell us theof your activity.8. This suit is made of very good 相关知识点: 试题来源: 解析 5. substances 6.matter 7.substance 8.material ...
百度试题 结果1 题目The hardest natural substance is ___. A. diamond B. gold C. steel D. iron 相关知识点: 试题来源: 解析 A。自然界中最硬的物质是钻石,选项 A 正确。反馈 收藏
iron kettle iron pan iron mam 2 iron mts iron nickel cobalt co iron ore from iron oxide process iron phosphide iron processes iron rubber iron sauce eggplant iron straps iron strategy iron sulphite agar iron tyre iron work iron wall picture iron-aluminumalloy iron-amino acid compl iron-carbon ...
the subject-to-tax ap the subprime solution the substance changes the substance of the the substantial evide the substantive title the subtropical decid the suit a machiavell the sum charged for r the summer olympics the summer vacation the sun also rises the sun and the wind the sun bright...
Is a diamond classified as a pure substance, a pure element, a homogeneous mixture, or a heterogeneous mixture? Mixture: A mixture is stated as a type of physical combination that comprises substances whose identities are retained. These substances can be ...
2PartsofaSolution Solute–getsdissolved Ex.salt Solvent-doesthedissolving Ex.Water LiquidSolutions GaseousSolutions SolidSolutions Asolutionhavingaliquidsolvent -Solutecanbe: Solid–saltwater Liquid–vinegar&water Gas-pop 2ormoregasesinsolution Ex.Air SolidSolution- 2ormoresolidsinsolution Ex.Steel=Iron+...
What is a Mixture... in terms of Chemistry ? Matter can be classified in various ways according to its structure, behaviours andphysicaland chemical properties. The main classifications of matter include the categorieselementandcompound, either of which may also be called asubstance(which is a le...
百度试题 结果1 题目29 Which substance is not involved in the extraction of iron from hematite? A carbon D B carbon monoxide C calcium carbonate D nitrogen 相关知识点: 试题来源: 解析 D 反馈 收藏
Why is iron described as an element? What is the classification of manganese? What is the atomic number of iron? What is the mass number of iron? What kind of substance is sulfur and iron? What is the classification of iodine? What is the chemical formula for iron ore?
change.By 1850builders had begun to use a metal called iron for the fronts of some large buildings.Iron is lighter than stone and stronger than wood.People dig raw iron from the ground,but raw iron is not enough to use in buildings.Builders must use another type of iron ...