What change is burning of magnesium, physical or chemical?

So just by reversing some physical conditions (temperature, pressure.. Etc). You can get the substance that you started with.. A chemical change is one that cannot be recovered back just by reversing the conditions in which the product was made.. read more

When you burn Magnesium, you are changing its physical and chemical properties by converting it to Magnesium oxide (MgO), which is white, powdery, and brittle. An example of a physical change would be melting: the substance you have is the same, just in a different form. read more

Burning of magnesium ribbon in air is an example of chemical change. This is because when we burn magnesium ribbon in presence of oxygen it forms magnesium oxide . From magnesium oxide we cannot get back it's original state. Therefore the reasons are:-It is an irreversible change. read more

It's a chemical change. The magnesium reacts and combines with the oxygen in the air. read more