Carbon dioxide (CO2) is the gas often used to put out fires, especially in fire extinguishers.
is a gas which extinguishes fire . NCERT Solutions. NCERT Solutions For Class 12. NCERT Solutions For Class 12 Physics
[Solved] Which gas is used to extinguish a fire? – Testbook
Carbon dioxide is the most commonly used gas for extinguishing fires. Hence, Option 3 is correct. Sodium bicarbonate is used to release a cloud of Co2, especially in class A and class B fires, thus releasing the oxygen and smothering the fire; Carbon dioxide is an acidic colorless gas with a density about 53% higher than that of dry air.
What gas helps fire? Carbon dioxide is primarily suitable for fighting fire classes B and C. Due to its physical properties, carbon dioxide is the only extinguishing gas that is also used in fire extinguishers and fire extinguishing devices. Which gas is necessary for burning? Answer: The gas necessary for combustion or burning is Oxygen.
People Also Ask which gas extinguishes fire
What’s inside a fire extinguisher?
What Are the Ingredients in a Fire Extinguisher?Read the Label. The ingredients in each type of fire extinguisher dictate the type of fire it puts out. …Dry Chemicals. Mono ammonium phosphate is a dry chemical used in Class A, B and C fire extinguishers. …Wet Chemicals. …Water and Carbon Dioxide. …Halotron or Halon. …Metal Powders. …
What class of fire extinguisher is used for flammable liquids?
You have a number of different options when it comes to Class B fire extinguishers:There are CO2 extinguishers that contain this compressed gas. …Dry chemical extinguishers contain an extinguishing agent and a compressed non flammable gas to propel the extinguishing agent over the fire.Halon fire extinguishers have been discontinued due to environmental concerns. …
What is a 5 lb fire extinguisher?
The following characters in the model number will tell you the weight of the extinguisher:A = 2.5 pounds.A = 5 pounds.A = 10 pounds.A = 20 pounds.
Is a CO2 fire extinguisher a dry chemical?
No. Co2 extinguishers contain is a pressurized gas. When discharged it frosts on surfaces, but eventually evaporates. Dry chemical extinguishers make an unholy mess of very fine powder that must be cleaned up. I once responded to a fire in an emergency department where a knucklehead was smoking in his hospital bed and set the bedding on fire.
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Fire and Flame 37 – Extinguishing Fire with CO2 Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher