The most effective and common fluorocarbon used until recently for this application had been bromochlorodifluoromethane (CF 2 ClBr), referred to as halon 1211. By international agreement, however…
Fire extinguishers are a device in which carbon dioxide is produced in different forms for use as the extinguishing agent. It is a modem type of fire extinguisher in which liquid carbon dioxide is stored in a steel cylinder under pressure. Soda-acid and foam types of extinguisher cannot be used for extinguishing the fire as they are prepared in water, which conducts electricity and …
What chemicals are used in a fire extinguisher? – VariEx
The chemical that a fire extinguisher contains depends on the purpose for which it is used. The most common chemical is Sodium Bicarbonate used in the fire extinguisher, and by heating up, it gives carbon dioxide. But today, Potassium Bicarbonate is widely used in fire extinguishers due to its effectiveness as compared to Sodium Bicarbonate.
When fire extinguisher is operated , the sulphuric acid get mixed with N a H C O 3 to produce a lot of C O 2 gas. C O 2 gas is neither combustible nor helps combustion.Hence N a H C O 3 is used in fire extinguisher
People Also Ask which substance is used in fire extinguisher
What chemical is used in a fire extinguisher?
The most common chemical is Sodium Bicarbonate used in the fire extinguisher, and by heating up, it gives carbon dioxide. But today, Potassium Bicarbonate is widely used in fire extinguishers due to its effectiveness as compared to Sodium Bicarbonate.
Why don’t fire extinguishers use CO2?
In these situations, fire extinguishers use different materials–ones that flood a protected compartment with a fire-fighting gas. CO2 works well, but is fatal at the concentrations necessary to extinguish a fire, and so cannot be used where people will be present.
Why potassium bicarbonate is used in fire extinguishers?
But today, Potassium Bicarbonate is widely used in fire extinguishers due to its effectiveness as compared to Sodium Bicarbonate.
What materials are used to fight fire?
Researchers are actively pursuing diverse materials–including iron- and phosphorous-containing compounds and hydrofluorocarbons–with the ability to inhibit flames. They are also developing better means of discharging more conventional chemicals, such as H2O, N2 and CO2.
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TYPES OF FIRE AND FIRE EXTINGUISHERS | WHICH FIRE EXTINGUISHER TO BE USED ON WHICH CLASSES OF FIRE Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher