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when-conc-h2so4-is-added-to-dry-kno3-brown-fumes-are-evolved-these-fumes-are-due-to
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Q.
When conc. H
2
SO
4
is added to dry KNO
3
, brown fumes are evolved. These fumes are due to
[A] NO
2
[B] N
2
O
[C] SO
3
[D] SO
2
Answer & Explanation
Answer: Option [A]
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