Fire extinguishers contain \( \mathrm{H}_{2} \mathrm{SO}_{4} \) and: (A) \( \mathrm{NaHCO}_{3} \...

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Fire extinguishers contain \( \mathrm{H}_{2} \mathrm{SO}_{4} \) and:
(A) \( \mathrm{NaHCO}_{3} \) and \( \mathrm{Na}_{2} \mathrm{CO}_{3} \)
(B) \( \mathrm{NaHCO}_{3} \) solution
(C) \( \mathrm{Na}_{2} \mathrm{CO}_{3} \)
(D) \( \mathrm{CaCO}_{3} \)
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