Question:

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

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Group 2 elements like Mg and Ca form both oxides and nitrides on combustion.
Updated On: May 19, 2025
  • Na, Mg
  • Na, Be
  • Mg, Ca
  • Be, Mn
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The Correct Option is C

Solution and Explanation

Mg and Ca, on burning in air, form both oxides and nitrides:
$\text{Mg} + \text{O}_2 \to \text{MgO}$, \quad $\text{Mg} + \text{N}_2 \to \text{Mg}_3\text{N}_2$
Similarly for Ca.
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