A) \[CaC{{O}_{3}}\]
B) \[NaN{{O}_{3}}\]
C) \[MgC{{O}_{3}}\]
D) \[KN{{O}_{3}}\]
Correct Answer: B
Solution :
Chile salt petre is \[NaN{{O}_{3}}\]. \[KN{{O}_{3}}\] : Salt petre, Indian salt petre \[MgC{{O}_{3}}\] : Magnesite \[CaC{{O}_{3}}\] : Limestone
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