Steam comes from water and water is a compound. Thus making steam a compound too. While you can term water as a pure substance, steam doesn’t get the same name owing to the mixture of gasses that combine with it in the gaseous form once it touches the atmosphere. Anything becomes a p...
a mirage a mirror of hope as i a mixed school a mixture that stirs a model of initiation a model plane a modeler making an i a modern elaine a molten image a moment came a monents error can b a money too far a monthly one a moon cake entrance a moral victory a more comprehensi ...
other substances C. the other substance D. others substance 相关知识点: 试题来源: 解析 B substance作“物质”讲时是可数名词。句意:一种物质如果没有和其他的物质混合,它就是一种纯的物质。根据语境可知,这里的“物质”应该是泛指而不是特指。所以,A、C两个选项都不对。而D项的表达本身就是错误的。
ammonia circulatng pu ammonia intoxi-cation ammonia spirit ammonia water mixture ammoniac silver nitra ammoniacal copper qua ammoniacammoniacal ammoniacum ammonianitrogen ammoniarefrigeration ammoniated forage ammoniosteroids ammonium carbamate gr ammonium cupric sulfa ammonium ferric methy ammonium fluoride sol...
剩余75%,限时 nan 元 立即解锁试卷 支付宝 《会员协议》 更多会员套餐 化学用语填空练习题 级被持且张极快气级被持且张极快气 an ___ is a pure substance made of only one type of atom.级被持且张极快气级被持且张极快气 查看本题试卷 应用化学专业英语课后练习题含答案 108阅读 1 应用化学专业英语...
Is a mixture of NaCl, lime, and sand homogeneous or heterogeneous? Explain. Is seawater classified as a mixture or a pure substance? Explain. Describe how to separate water from a mixture of water, alcohol and sand. Is concrete classified as a pure substance (element or compound) or a mix...
A. concrete B. wood C. saltwater D. elemental copper E. milk 点击查看答案 你可能感兴趣的试题 多项选择题我国原《民法通则》第132条的源流包括的内容: A、A. 50年代和80年代两次民法典起草经验 B、B.南斯拉夫债法修订所贯彻的社会主义公平原则 C、C. 1922年和1964年《苏俄民法典》 D、D. 1794年《普...
the other substance D. others substance 相关知识点: 试题来源: 解析 B substance作“物质”讲时是可数名词。句意:一种物质假如没有和其他的物质混合,它确实是一种纯的物质。依照语境可知,那个地点的“物质”应该是泛指而不是特指。因此,A、C两个选项都不对。而D项的表达本身确实是错误的。
这结合以加速的“湿outperformance与一部透明影片的组合,做它理想为介入高清晰标记的应用[translate] a亚洲渔业水产与养殖论坛 Asian fishery aquatic product and cultivation forum[translate] aThe molecule is the smallest particle of a pure substance 分子是一种纯净的物质的最小的颗粒[translate]...
mixture混合物colloidsoluteparticlessubstances 40 Science Alive for VELS Level 5 What is a mixture? lthough the air we breathe seems like a single, or pure, substance, it is actually a mixture of many substances. Air consists of nitrogen, oxygen, carbon dioxide and other gases. Like air, al...