The pair of elements that form both oxides an | vedclass

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(C) When alkaline earth metals like magnesium $(Mg)$ and calcium $(Ca)$ are burnt in air,they react with both oxygen and nitrogen present in the air.R

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$Mg, Ca$

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(C) When alkaline earth metals like magnesium $(Mg)$ and calcium $(Ca)$ are burnt in air,they react with both oxygen and nitrogen present in the air.Reaction with oxygen: $2 Mg + O_2 \longrightarrow 2 MgO$ and $2 Ca + O_2 \longrightarrow 2 CaO$.Reaction with nitrogen: $3 Mg + N_2 \longrightarrow Mg_3N_2$ and $3 Ca + N_2 \longrightarrow Ca_3N_2$.Thus,the pair of elements that form both oxides and nitrides is $Mg$ and $Ca$.

The pair of elements that form both oxides and nitrides when burnt in air are

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