A. element B. compound C. mixture D. solution 相关知识点: 试题来源: 解析 B。水是由氢元素和氧元素组成的化合物。选项 A“element”是元素;选项 B“compound”是化合物,水是化合物;选项 C“mixture”是混合物;选项 D“solution”是溶液。
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轮机英语题库翻译.pdf,第一章 船舶动力装置 0001 Before disconnecting the Oil pipe , would y lu ipe ? ” asked the oil barge owner. 0001 B ou f sh th a ned in the p e oil ret i y n A. b usi g o fres f h water (用淡水) wi pres 缩气 B. th com sed air (
What the plants pump through the air is a mixture of chemicals known as volatile organic compounds, VOCs for short. Scientists have found that all kinds of plants give out VOCs when being attacked .It’s a plant’s way of crying out. But is anyone listening? Apparently. Because we can ...
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...
To do this, you’ll need to shut off the water supply to the faucet, remove the handle, unscrew the packing nut, and pull out the stem. Then, simply replace the washer with a new one before screwing everything back in place. Clogged Drain If your drain is clogged, there are a few...
Many confuse steam as a mixture but as a matter of fact, steam is a compound. So, the reasons behind this fact are steam comes from water and water has two elements namely, Hydrogen and Oxygen that bind together to form a compound. Indirectly, again, ste
Apparatus of a compound which is located in a gas or a mixture of gasesNEEL EMMANUELNEEL EMMANUELPELTIER MICHEL GASTONPELTIER MICHEL GASTON
Mixtures Definition - A mixture contains two or more elements or compounds that are not chemically combined together. To learn about Homogeneous and Heterogeneous mixtures click here.