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Coal and Petroleum and Sound (in Hindi)
Lesson 6 of 16 • 63 upvotes • 11:33mins
Anjali Kushwaha
In this lesson, Anjali has detailed some exhaustible natural resources – coal, petroleum and natural gas and also their formation, constituents of petroleum and the basic concept of Sound along with Noise Pollution.
(Hindi) NCERT Summary: Class VIII - Science
16 lessons • 3h 3m
1
Overview (in Hindi)
4:43mins
2
Crop Production and Management (in Hindi)
12:17mins
3
Micro-organisms (in Hindi)
12:46mins
4
Synthetic Fibres and Plastics (in Hindi)
11:34mins
5
Metals and Non-metals and Chemical Effects of Electric Current (in Hindi)
12:05mins
6
Coal and Petroleum and Sound (in Hindi)
11:33mins
7
Combustion and Flame (in Hindi)
12:19mins
8
Conservation of Plants and Animals (in Hindi)
11:36mins
9
Cell Structure and Functions (in Hindi)
9:43mins
10
Sexual and Asexual Mode of Reproduction (in Hindi)
12:35mins
11
Adolescence (in Hindi)
10:35mins
12
Force and Pressure(in Hindi)
11:15mins
13
Some Natural Phenomenon (in Hindi)
12:56mins
14
Light (in Hindi)
9:32mins
15
Stars and the Solar System (in Hindi)
14:16mins
16
Pollution of Air and Water (in Hindi)
13:56mins
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