French translation of 'piles'. (= 1  neat stack) pile f in a neat pile soigneusement empilÃ©s â The clothes were folded and in a neat pile. Les vÃªtements Ã©taient pliÃ©s et soigneusement empilÃ©s. to put sth in a pile empiler qch. to be stacked in a pile Ãªtre empilÃ© â The dirty plates had been stacked in a pile on the table.
Types Of Gases. There are many Types Of Gases. Gas is one of the four basic states of matter. The other three are plasma, liquid, and solid. There are so many types of gases that are usually categorized as bulk gases. Some of the most common ones include; Propylene, Nitrous Oxide, Nitrogen, Oxygen, Carbon Dioxide, Helium, Hydrogen, and Argon.
For example, carbon dioxide would be considered a pure gas but it is also a compound molecule. Mixed gases, on the other hand, consist of more than one kind of pure gas. In the Earth's atmosphere, for example, there are a wide mix of different gases including oxygen and other atoms that are released.