Question

The most efficient agent for the absorption of SO₃ is :
(a) 80% H₂SO₄
(b) 98% H₂SO₄
(c) 50% H₂SO₄
(d) 20% H₂S₂O₇

Answer 1

${\huge {\mathfrak {Answer :-}}}$

➡️ Option (A)

That's it..

Answer 2

Option A is correct ✔✔

Thanks