Chapter 7 Hydrogen class 8th ICSE chemistry in hindi

Chapter 7 Hydrogen class 8th ICSE chemistry in hindi
0:00 Introduction
1:24 Hydrogen Discovery
3:28 Occurrence of Hydrogen
5:02 Preparation of Hydrogen
5:58 Displacement of Hydrogen from acids
7:08 Displacement of Hydrogen from water
8:08 Displacement of Hydrogen from steam
9:09 Displacement of Hydrogen from conc. Alkali
10:05 Laboratory Preparation
13:00 Why Granulated Zinc is Preferred
14:31 Electrolysis
15:33 Types of Electrolytes
17:08 Anion & Cation
21:41 Electrolysis of Water
23:57 Hydrogen from Natural gas
25:25 Bosch's Process
30:09 Physical Properties of Hydrogen
30:42 Chemical Properties of Hydrogen
34:28 Test of Hydrogen
35:32 Oxidation & Reduction
39:55 Redox Reaction
41:04 Practical Uses of Hydrogen
42:13 Hydrogenation of OIl
43:54 Thank you