Lesson 1 of 5 • 8 upvotes • 2:58mins

In this lesson importance and benefit of taking up this course has been discussed.
5 lessons • 54m
L-1 About the Course (in Hindi)
2:58mins
L-2 Water- Preparation, Properties and Uses (in Hindi)
13:18mins
L-3 Washing Soda- Preparation,Properties and Uses (in Hindi)
12:04mins
L-4 'Baking Soda' and 'Plaster of Paris' -Preparation, Properties and Uses (in Hindi)
14:22mins
L-5 Bleaching Powder- Preparation,Properties and Uses (in Hindi)
11:29mins