Is Nitrogen a flammable gas?

No, nitrogen gas (N2) is not flammable. In fact, it is classified as an "inert gas" or "non-flammable gas." This means that it does not readily react with other substances or support combustion. Nitrogen is a significant component of the Earth's atmosphere, making up about 78% of the air we breathe.

Flammable gases are those that can undergo combustion in the presence of oxygen and an ignition source. They react with oxygen to release energy in the form of heat and light. Some examples of flammable gases include hydrogen, methane, and propane.

Nitrogen is generally used to prevent fires in certain situations since it can displace oxygen, reducing the available oxygen concentration and making it difficult for fires to ignite or sustain themselves. This property makes nitrogen valuable for applications like fire prevention and extinguishing systems in some industrial settings.