12:["$","span","2",{"dangerouslySetInnerHTML":{"__html":""},"className":"whitespace-pre-wrap"}] 19:T420,

N_2O

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NO

"},"className":"mx-1"}],["$","span","2",{"dangerouslySetInnerHTML":{"__html":""},"className":"whitespace-pre-wrap"}]]}]}]]}] 1a:T638,

Q.Which of the following oxides of nitrogen is brown in color?

Correct Answer: Option A

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