How many laws are there for gases?

Some laws of gases are established to explain different characteristics of gases. There are mainly four laws of gases. They are:

1. Boyle’s Law
2. Charles’ Law
3. Avogadro’s Law
4. Gay-Lussac’s Pressure Law

There are two more laws established for gas mixture, they are:

1. Dalton’s Partial Pressure Law
2. Graham’s diffusion Law