Railway Exams
Free courses
General Science
Chemistry
Lesson 1 of 6 • 26 upvotes • 11:52mins
This lesson explains the properties of metals and non metals and uses of some important non metals
6 lessons • 1h 6m
Metals and Non-Metals
11:52mins
Metallurgy
11:03mins
Ores of Metals and Some Facts about Metals
9:51mins
Carbon and its Compounds
10:18mins
Fuels, Explosives and Polymers
12:27mins
Important man made substances
10:33mins