1 Chromatography can be used to separate the substances in a mixture.(a)Diagram 1 shows the apparatus used to separate the different dyes in a food colouring.solvent front baseline chromomatogograph paper solvent food colouring Diagram 1The box lists some terms used in chromatography.baseline chro...
<p><strong>Step-by-Step Solution:</strong></p><p>1. <strong>Understanding Mixtures</strong>: A mixture is formed when two or more different substances are combined physically. These substances retain their individual properties and can be separated by ph
In a chemical experiment to separate a mixture of substances, which method is based on the difference in boiling points? A. Distillation B. Filtration C. Crystallization D. Extraction 相关知识点: 试题来源: 解析 A。本题考查基于沸点差异分离混合物的方法。选项 B 过滤是基于颗粒大小的分离方法。
百度试题 结果1 题目11. A mixture consisting of substances X and Y was separated using the apparatus shown 相关知识点: 试题来源: 解析 D 反馈 收藏
because other components in the mixture of substances have similar spectral lines to those of the substance under investigation. In one arrangement the two signals U.sub.1 (&lgr;) and U.sub.2 (&lgr;) are first differentiated in respective differentiating stages 13 and 14 and the ...
9 A thermometer was placed in a mixture of substances at room temperature at the beginning of an experiment. The temperature is shown in the diagram below after a short while.C thermometer50 48 46What conclusion can be drawn from the experiment? B A Neutralisation has taken place. B The re...
3.- A homogeneous mixture is two or more substances mixed together to make a product.Ex.Sugar + water = pop- A heterogeneous mixture is also a mixture of two or more substances,but each substance is distinct in the product.Ex.Chocolate chip muffin - the chocolate chips are clearly visible...
公开/公告日期: 2001-12-16 申请(专利权)人: ROEKO GMBH + CO. DENTALERZEUGNISSE 发明人: W Mannschedel 摘要: THE INVENTION REFERS TO A MIXTURE OF SUBSTANCES FOR A MATERIAL IN THE ELABORATION OF LUGGAGE PARTS, THE CORRESPONDING MATERIAL, ITS USE AND ELABORATION.收藏...
sulfur, a sulfur plasticizer, and an aromatic polysulfide which is formed by reacting one mol of an aromatic carbocyclic or a heterocyclic compound, substituted by at least one functional group of the class -OH or -NHR in which R is H or lower alkyl, with at least two mols of sulfur. ...
- A heterogeneous mixture is also a mixture of two or more substances,but each substance is distinct in the product.Ex.Chocolate chip muffin - the chocolate chips are clearly visible,not mixed together with the muffin.so,1.orange juice(我觉得啊 得看是哪种橙汁了 鲜榨的就是后者 水溶的就是...