1.

Fire extinguishers contain H_2 SO_4 and

Answer»

`CaCO_(3)`
`Na_(2)CO_(3)`
`NaHCO_(3)`
`NaHCO_(3)` and `Na_(2)CO_(3)`

SOLUTION :`NaHCO_(3)` and `Na_(2)CO_(3)` decomposes to GIVE `CO_(2)` which extinguish fire.


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