Answer in one word/a few words. It is the gaseous state of water present in the air.
Answer in one word/a few words. It has no fixed shape. It takes the shape of the container.
Answer in one word/a few words. In this particles are very loosely packed.
Answer in one word/a few words. This fuel is used in vehicles to reduce the release of harmful gases.
Answer in one word/a few words. This gas is important for burning.
