A) \[{{O}_{3}}\] and \[C{{O}_{2}}\]
B) \[C{{O}_{2}}\] and \[N{{O}_{2}}\]
C) \[S{{O}_{2}}\] and\[N{{O}_{2}}\]
D) \[S{{O}_{2}}\] and \[{{O}_{3}}\]
Correct Answer: C
Solution :
[c] \[S{{O}_{2}}\] and \[N{{O}_{2}}\] are responsible for the discoloured and lustureless nature of marble.
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