Clouds are mostly made up of water vapor, which is indeed a gas. Air itself isn't a gas, but it is made up of many different gases, such as nitrogen, oxygen, argon, carbon dioxide, and many others.
mustard gas
In a "hot air" balloon, which you refer to in your question, the gas is hot air. Heated air rises, so the balloon rises. The gas used in the burner, to heat the air, is propane.
It's a gas
No. A hot air balloon is a solid object. That is, the basket, the ropes, the burner and the envelope itself are not gasses. The air within the envelope is a gas, of course; heated atmospheric gasses in fact. But the balloon itself is not a gas.
Air is an example of a gas-gas solution.
gas gas
Air. (Oxygen, Carbon Dioxide)
Gas in gas
Air is classed a gas
Gas
GAS
No its not, air is actually and example of gas.
There are a number of examples of solid in gas solutions, such as smoke, in which carbon and air are in the form of a solution. Automobile exhaust is another example of solid in gas solution. An example of such solution is Iodine vapors in the air.
Air
moth ball and air
The common example is air.