The given reaction Mg + O₂ → MgO is a type of Synthesis reaction. Hence option (1) is correct.
What is Synthesis reaction ?
Synthesis reactions are reactions that occur when two different atoms or molecules interact to form one molecule or compound.
It is also known as combination reaction
In the given reaction Mg and O combines with each other to form one product i.e, MgO. Hence, The given reaction Mg + O₂ → MgO is a type of Synthesis reaction. Thus, option (1) is correct.
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