Write down the balanced chemical equation for the following equation:

Hydrogen plus chlorine produces hydrogen chloride

Write down the balanced chemical equation for the following equation:

Aluminium plus chlorine produces ammonium chloride.

Write down the balanced chemical equation for the following equation:

Hydrogen plus nitrogen produces ammonia

Balance the given equation

$\mathrm{Zn}+\mathrm{HCl}\to {\mathrm{ZnCl}}_2+{\mathrm{H}}_2$

Balance the following chemical equation::

 ${\mathrm{P}}_4+{\mathrm{O}}_2\to {\mathrm{P}}_2{\mathrm{O}}_5$

Balance the following equation

${\mathrm{FeCl}}_2+{\mathrm{Cl}}_2\to {\mathrm{FeCl}}_3$

Balance the following equation:

$\mathrm{CO}+{\mathrm{O}}_2\to {\mathrm{CO}}_2$

Balance the following equations :

$\mathrm{Na} + {\mathrm{H}}_2\mathrm{O}\to \mathrm{NaOH} + {\mathrm{H}}_2$