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。
Is argon a pure substance?Classification of Matter:Matter can be classified as either a mixture of a pure substance. A pure substance contains only one type of molecule or atoms. In contrast, a mixture contains multiple types of atoms and/or molecules....
compounds contain more than one type of material. Yet both compounds and elements are considered pure substances. Pure compounds are created when elements combine permanently, forming one substance. For example, when the elements mercury and oxygen combine, and a chemical reaction takes place, mercury...
A pure substance is defined as a matter having a constant composition and properties all throughout. On the other hand, mixtures are combinations of... Learn more about this topic: Pure Substance in Chemistry | Definition, Properties & Examples ...
5 A pure solid substance is heated into a liquid from 30 C to 90 C. The substance has a melting point of 60 C. The heating curve of the substance on the temperature-time graph is shown in Fig. 5.1.temperature /C90+80+70+×Y60+50+40+30time / min Fig. 5.1(a) Describe the dif...
A. the other substances B. 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。
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]...
Urine is not a pure substance. To be called a pure substance, that substance must be built with one building block. However, urine is made up of several materials that are not even bonded to each other. Urine has not one, but many building blocks and the
unique appearance in Descartes' texts and giving rise to a range of contested interpretations is the phrase substantia pura as it is applied to mens humana in contrast to corpus humanum in the Synopsis: "the human mind is not made up of any accidents in this way, but is a pure substance...
a王龙是笨蛋,是个矮东瓜,嘻嘻! Wang Long is a fool, is a short east melon, hee hee![translate] asuch as 例如[translate] a配合情况评估 Method of work[translate] aWhat's the best relationship you've ever been in? 什么是您是的最佳的关系?[translate] ...