Question

select the correct answer from each drop - down menu. burning magnesium gives us magnesium oxide. this is an example of a reaction. is the common element involved with all chemical reactions of this kind.

Explanation:

Burning magnesium to form magnesium oxide is a synthesis reaction as two substances (magnesium and oxygen) combine to form a single compound. Oxygen is commonly involved in such oxidation - type synthesis reactions.

Answer:

First drop - down: synthesis
Second drop - down: oxygen