mixture of particles in the air
Steam, clouds, and fog are all examples of water in a gaseous state.
Nitrogen forms gaseous oxides. NO,NO2,N2O,N2O3 are few examples.
water
potassium, gold, titanium, uranium
A substance in the gaseous state that is typically a liquid or solid at room temperature can be referred to as a vapor. Examples include water vapor or steam, which is the gaseous state of water.
Deposition examples: gaseous iodine, and the water in snow clouds.
Examples: argon, nitrogen.
Gaseous fuels are fuels that exist in a gaseous state at standard atmospheric conditions. Examples include natural gas, propane, and butane. These fuels are commonly used for heating, cooking, and powering vehicles.
human excreta , waste water contaminated by detergents, dirt or oil, industries etc...........................:)
Examples are: oxygen hydrogen, bromine, nitrogen, krypton, neon, argon etc.
In the liquid state, water is water. In a solid state, water is ice. In a gas state water is called water vapor.
Elements and compounds can be solids, liquids, or gases. Examples of elements that are solid, liquid and gaseous at room temperature respectively are iron, bromine, and helium. Examples of compounds in these states are sodium chloride, water, and carbon dioxide.