What is a redox reaction? When a magnesium ribbon burns in air with a dazzling flame and forms a white ash, is magnesium oxidised or reduced? Why?

(a) What is a redox reaction ? Explain with an exampe. (b) When a magnesium ribbon burns in air with a dazzling flame and forms a white ash, is magnesium oxidised or reduced ? Why ? (c ) In the reaction represented by the equation: MnO_(2)+4HCl to MnCl_(2)+2H_(2)O+Cl_(2) (i)"name the substance oxidised."" "(ii)"name the oxidising agent." (iii)"name the substance reduced."" "(ii)"name the reducing agent."

Magnesium burns in air with a dazzling white flame

When a magnesium ribbon burns in air with a dazzling white flame and forms a white ash, is magnesium oxidzed or reduced ? Justify your answer with the help of a chemical equation.

What happens when magnesium ribbon burns in air?