Answer:
2H₂O → 2H₂ + O₂
2NaCl → 2Na + Cl₂
Explanation:
2H₂O → 2H₂ + O₂
2NaCl → 2Na + Cl₂
The reactions shown above is a decomposition.
In a decomposition reaction or cracking, two or more products are formed from a single product.
The breakdown of a compound into its components as individual elements or other compounds falls into this category of reactions.
Cracking is a sort of decomposition reactions that is used in petroleum industries to sort the fractions of a compound.