A) \[NaHC{{O}_{3}}\]and\[N{{a}_{2}}C{{O}_{3}}\]
B) \[N{{a}_{2}}C{{O}_{3}}\]
C) \[NaHC{{O}_{3}}\]
D) \[CaC{{O}_{3}}\]
Correct Answer: A
Solution :
Fire extinguishers contain a mixture of\[N{{a}_{2}}C{{O}_{3}},NaHC{{O}_{3}}\] and \[{{H}_{2}}S{{O}_{4}}.\]
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