Class 8 Metals and Non Metals
CH-4 Materials: Metals & Non metals 1. Define Matter? 2. Define Element? 3.How are Elements classified? 4. Define Ores? 5.What is Gangue ? In Ores, there are certain impurities present along with metallic minerals. These impurities are called as Gangue. 6.Define Metallury ? The series of processes carried out to…