Question

what happens when magnesium ribbon is burnt in air ? give equation ​

Answer 1

Answer:

The ribbon burns with a bright white light. Intense heat is also produced in this reaction. Here, when magnesium burns, it reacts with the oxygen found in air to form a powdery ash called magnesium oxide. Chemical equation: Magnesium plus Oxygen gives Magnesium oxide.

$2Mg+O2⟶2MgO$

Answer 2

Answer:

Answer:

It forms a powdered substance known as (magnesium oxide)

2Mg+O2=2MGO (IT IS BALANCED )

hence it is a physical change