A) \[CaC{{O}_{3}}\]
B) \[N{{a}_{2}}C{{O}_{3}}\]
C) \[NaHC{{O}_{3}}\]
D) \[NaHC{{O}_{3}}\] and \[N{{a}_{2}}C{{O}_{3}}\]
Correct Answer: D
Solution :
\[NaHC{{O}_{3}}\] and \[N{{a}_{2}}C{{O}_{3}}\] decomposes to give \[C{{O}_{2}}\] which extinguish fire.
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