Here is a tutorial on how to find out your own mobile number when you forget with codes on Aircel, Airtel, Uninor, Relinace, vodafone, Idea, Virgin, Docomo.
A. Burning a piece of paper is technically called combustion. It represents a chemical reaction whereby the carbon compounds in the paper are oxidized into different chemicals like carbon dioxide and water vapor. This is a chemical change.
- Chemical energy: wood and oil contain energy in a chemical form. The same is true for all other material that can burn. The content of chemical energy is larger the larger the heating value (calorific value) of the material is and, of course, the more material we have.