High School Chemistry/Chemical Equations

Symbolic representation of reaction by using symbols and formulae is known as chemical equation.

Example: $\mathrm{Z}\mathrm{n}+\mathrm{H}{\phantom{A}}_2\mathrm{O}⟶\mathrm{Z}\mathrm{n}\mathrm{O}+\mathrm{H}{\phantom{A}}_2\uparrow$