CBSE Class 10
Free courses
Science
Chemical Substances
Lesson 7 of 7 • 1 upvotes • 8:05mins
Some long answer type questions
7 lessons • 1h 13m
Dobereiners Triads and Newlands Law of Octaves
10:40mins
Mendeleev Periodic Table
9:21mins
Modern Periodic Table
13:25mins
Characteristics of Period
10:06mins
Characteristics of Group
10:39mins
Objectives Questions
11:35mins
Long answer questions
8:05mins