When magnesium ribbon reacts with air, heat and light is produced. The balanced chemical equation is:

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

The reactant(s) in the reaction is/are:

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$O_{2}$

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MgO

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$M g_{2} O$

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Solution

The correct options are
A
Mg

B
$O_{2}$

A reactant is a substance that takes part in and undergoes the chemical reaction whereas a product is a substance that is formed as the result of a chemical reaction. Reactants are written on the left side of the arrow.

The reactants in the given reaction are magnesium $Mg$ and oxygen $O_{2}$ . The product formed is magnesium oxide $Mg$ .

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Similar questions

When magnesium ribbon reacts with air, heat and light is produced. The balanced chemical equation is:

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

The reactant(s) in the reaction is/are:

When magnesium ribbon reacts with air, heat and light is produced. The balanced chemical equation is:

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

The reactant(s) in the reaction is/are:

2 M g + O_{2} \to 2 M g O

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