A bottle of fire exitingushers contain H...

A bottle of fire exitingushers contain `H_(2)SO_(4)` and:

`CaCO_3`

`Na_2O_2`

Any carbonate

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The correct Answer is:

`H_2SO_4 +2NaHCO_3 rarr Na_2SO_4 +2CO_2 +2H_2O CO_2` produced help in extinguishing fire .

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