Question

Magnesium is heated in air​

Answer 1

Explanation:

Mg+O-MgO

This can be said as :-When magnesium is burnt in air it forms magnesium oxide

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Answer 2

When magnesium is heated in air​ then it forms magnesium oxide.

Explanation:

It is known that air present in our surrounding contains large amount of oxygen in it. Therefore, when magnesium is heated in air then this oxygen reacts with the metal and the reaction takes place as follows.

           $2Mg + O_{2} \rightarrow 2MgO$

This means that an oxide of magnesium is formed and its chemical formula is MgO. Chemical name of this compound formed is magnesium oxide.

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