Question

Whether mixing of ash obtained by burning of magnesium with water is a chemical change or a physical change. Give reason and support your answer. Express the change in form of a equation​

Answer 1

Answer:

chemical change

Explanation:

When magnesium interacts with water, it will form a hydrogen gas that ignites violently due to the excessive heat and oxygen supply. When it reacts, it will burn hot enough to decrease the water molecule, which turns to a Hydrogen Gas.

A new product magnesium hydroxide is formed.

Answer 2

Explanation:

If we burn any magnesium product foe example if we burn a magnesium ribbon, we would lost our eyesight of our eye. You would often looked at some builders are using magnesium ribbon and burning it. But they wear a shield while welding