Question

What happens when a magnesium ribbon is heated in presence of air?

Answer 1

on heating the magnesium ribbon in presence of air, a bright blue flame is formed and it reacts with oxygen to form magnesium oxide.

Answer 2

Formation of a flame in bright blue color and it's reaction with the oxygen leading to the formation of MgO.

Explanation:

• When the magnesium ribbon is burnt in the presence of O2. The reaction produces a flame of bright blue in color.
• This reaction during the presence of oxygen in the atmosphere leads to the formation of Magnesium oxide releasing white light.
• The reaction would be:

2Mg  +  O2  ----->  2MgO

Learn more: Magnesium

brainly.in/question/25064258