Coal and Petroleum | Class 8 | CBSE | Coal | Petroleum | Natural gas | exhaustible |explain in Tamil
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( Class 8 science CBSE )
1) crop production and management
• Crop production and ma...
2) Microorganisms friend and foe
• Microorganisms friend ...
3) synthetic fibres and plastic
• Synthetic fibres and p...
4) material - metal and non metal
5) coal and petroleum
• Coal and Petroleum | C...
6) combustion and flame
• Combustion and Flames ...
7) conservation of plants and animals
• Conservation of Plants...
8) cell - structure and function
• Cell - Structure and F...
9) Reproduction in animals
• Reproduction in Animal...
10) Reaching the age of adolescents
• Reaching the Age of Ad...
11) force and pressure
• Force and Pressure | C...
12) friction
• Friction | The force o...
13) sound
• sound | what is sound ...
14) chemical effect of electric current
• Chemical Effects of El...
15) some nature phenomena
• Some Natural Phenomeno...
16) light
• Light | class 8 scienc...
17) star and the solar system
• Stars and Solar System...
18) pollution of air and water
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