कोयला और पेट्रोलियम (Coal and Petroleum) - कक्षा 8 विज्ञान (Class 8 Science) - Hindi
Channel: Open Learning Initiative , NSS IIT Bombay
Date: 14/02/2016

This video begins with examples of utilities of coal and petroleum in real life. The process of formation of these natural resources is explained. The difference between renewable and non-renewable natural resources is explained.  Refining of petroleum is explained.  The need to conserve these resources is discussed and some methods to conserve these resources are given.

Taught by: Pranav Poduval

To download this video, click on this link: https://gymkhana.iitb.ac.in/~nss/olidwd/C8/Science/Hindi/02.html

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