Question

Magnesium ribbon burns in air and changes to white powder , i.e. magnesium oxide. When magnesium oxide dissolves in water, what kind of change take place? Give reason in support of your answer. Express the change in the form of equation

Answer 1

Answer:

Magnesium ribbon burns in air and changes to white substance, i.e. magnesium oxide. ... When magnesium oxide dissolves in water, it forms a new substance, magnesium hydroxide. So, it is a chemical change.