Name the chemical used in fire extinguishers how is it harmful?
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The dry chemical is potassium bicarbonate or sodium bicarbonate. They are harmful if inhaled. Fire extinguishers contain different chemicals, depending on the application.
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Carbon dioxide (CO2) fire extinguishers are used for Class B and C fires. They emit pressurized CO2 gas, which smothers the fire by blocking the oxygen that the fire needs. ... In most situations, there is enough oxygen in the area to prevent toxicity
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