Some mixtures have several different substances ____ in a liquid. ____ can help us separate them out, so that we know what substances are present.Samples of the mixtures we want to study are placed along a line drawn in ____ on some special absorbent paper.The end of the paper is dipped into a ____. As the solvent moves up the paper, it ____ the mixtures.As all the solutes in the mixtures move up the paper at different ____s, they become separated. Eventually each ____ comes out of ____ and onto the paper at a different pointWe can compare the solute "spots" with the position of spots made by ____ materials, and so work out what is in each mixture.

Chromatography

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？