* Soda water: Carbon dioxide gas is dissolved in water.

* Beer: Carbon dioxide gas is dissolved in beer.

* Sparkling wine: Carbon dioxide gas is dissolved in wine.

Examples of gas-gas solutions:

* Air: Nitrogen gas, oxygen gas, and argon gas are mixed together to form air.

* Helium balloons: Helium gas is mixed with air to make balloons float.

* Natural gas: Methane gas, ethane gas, and propane gas are mixed together to form natural gas.