The answer is most definitely “A”
It is called exothermic reaction because it releases heat and light and it is called combustion reaction because it is reacting and is being oxidised by O2 to MgO.
It can also be called as oxidation reaction since Mg is oxidised to MgO.
Answer:
A solvent is a substance which dissolves a solute. When a solvent dissolves into a solute, it creates a solution
