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Q.

The reactants in the reaction $2 Mg + O_{2} \to 2 MgO$ are

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a

$O_{2}$

b

MgO

c

Mg and MgO

d

Mg

answer is A, C.

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Detailed Solution

The substances which are involved in the chemical change are called reactants. Mg and $O_{2}$ are the reactants.

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