Feed: Scribd Feed
Posted on: Thursday, February 04, 2010 7:04 PM
Author: Scribd Feed
Subject: 3-Methods of Purification
| Methods of Purification Chemistry - 5070 Methods of Purification In this topic, you will learn: ü ü ü ü ü Difference between pure substances and mixtures Types of mixtures Effects of impurities on melting and boiling points Method of purification Methods of testing purity of substance Muhammad Hassan Nadeem *Pure substances and mixtures · · · A pure substance contains only one type of substance or atom for example water. A mixture is made of more than one substance or atom for example air is mixture of oxygen, nitrogen, carbon dioxide and other gases. Impurity lowers the melting point and |
No comments:
Post a Comment