High School

Which chemical compound is used as an extinguishing agent in Class K extinguishers?

Answer :

The chemical compound used as an extinguishing agent in Class K extinguishers is known as potassium acetate.

Class K extinguishers are specifically designed for use in kitchen fires involving combustible cooking oils and fats. Potassium acetate is a highly effective agent for suppressing these types of fires because it reacts with the oil or fat, creating a soapy foam that helps to cool and smother the flames.

This compound is a potassium salt of acetic acid and is non-toxic, non-corrosive, and environmentally friendly. When using a Class K extinguisher, it is important to aim the nozzle at the base of the fire and apply the extinguishing agent in a sweeping motion until the flames are fully extinguished. Additionally, it is crucial to follow safety guidelines and evacuate the area if the fire becomes uncontrollable.

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