Identify the gas which a) helps in burning b) helps in extinguishing fire
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In the larger sizes, the hard horn will be located on the end of a long, flexible hose. CO2s are designed for Class B and C (flammable liquid and electrical) fires only. Carbon Dioxide is a non-flammable gas that extinguishes fire by displacing oxygen, or taking away the oxygen element of the fire triangle.
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a oxygen
b Carbon dioxide
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