What do we understand by flammability of substance?
Ability to burn in the presence of O₃
Ability to burn in the presence of CO₂
Ability to burn in the presence of O₂
Ability to burn in the presence of N₂
Any material's ability to burn in the presence of oxygen is called it's flammability.
A. What do you understand by the term biotic substances? Give examples.
B. What do you understand by the term abiotic substances? Give examples.
What do you understand by the term relative density of a substance ?