Industrial processes (e.g. ammonia synthesis)Basic

• A.$\mathrm{Na}$ and $\mathrm{Cl_2}$
• B.$\mathrm{NaOH}$ and $\mathrm{O_2}$
• C.$\mathrm{HCl}$ and $\mathrm{NaOH}$
• D.$\mathrm{NaOH}$, $\mathrm{H_2}$ and $\mathrm{Cl_2}$

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