Silicon reacts with a mixture of calcium oxide and magnesium oxide at ${1200^ \circ }C$.
$2MgO + 2CaO + Si \to 2Mg + C{a_2}Si{O_4}$
Which statement about this reaction is correct?
1 )
Calcium is reduced and silicon is neither oxidised nor reduced.
Magnesium is reduced and calcium is neither oxidised nor reduced.
3 )
Magnesium is reduced and silicon is neither oxidised nor reduced.
4 )
Silicon is reduced and calcium is neither oxidised nor reduced.
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