Deck : Safety - 823/2841
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| One disadvantage of using regular dry chemical (sodium bicarbonate) in firefighting is that __________. |
| A) fire has been known to flash back over the surface of an oil fire |
| B) it is ineffective in fighting fires in high-voltage electrical equipment |
| C) it will decompose under prolonged storage and lose its effectiveness |
| D) it can break down under high heat and emit noxious fumes |
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