MCQ
Write the balanced equation for the reaction for the following statement : $\ce{Mg}$ burns in presence of air.
- A$\mathrm{Mg}(\mathrm{s})+\mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{MgO}_2(\mathrm{~s})$
- B$2 \mathrm{Mg}(\mathrm{s})+2 \mathrm{O}(\mathrm{g}) \rightarrow 2 \mathrm{MgO}(\mathrm{s})$
- ✓$2 \mathrm{Mg}(\mathrm{s})+\mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{MgO}(\mathrm{s})$
- D$\mathrm{Mg}(\mathrm{s})+\mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{MgO}(\mathrm{s})$