Question

which substance is produced when magnesium is burnt in air​

Answer 1

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.

Answer 2

Hey mate..

When magnesium burns in air..it combines with oxygen to form Magnesium Oxide.

Hope it helps.