something is said to be chemical when it shows its chemical properties,i.e,when it shows its acidic property or its basic property.its pH value must be more than or less than 7.
If you burn something it is a chemical change, however if you melt of boil it, it is a physical change.
When you mix something with something else
When you mix something with something else
It is chemical property. 'Rotting' is a chemical reaction.
Chemical
lighting is a chemical change
Chemical change
It is a chemical change anytime you burn something it will most likely be chemical change because something new comes out, for example when you burn the leaves you will get ash which is something the leaves did not have before! your welcome!:)
when something explodes
Oxidation is a chemical reaction, so it is a chemical property.
If something's reacting, it's a chemical change.
When something reacts, that is a chemical reaction. Chemical change.