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when-conc-h2so4-is-added-to-dry-kno3-brown-fumes-are-evolved-these-fumes-are-due-to

Question

When conc. H₂SO₄ is added to dry KNO₃, brown fumes are evolved. These fumes are due to

A NO₂

B N₂O

C SO₃

D SO₂

Answer & Explanation
Answer: Option [A]

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