In chamber process of sulphuric acid manufacture in industry, the gas
phase oxidation of SO2
to SO3
is accomplished by a __________ reaction.
(A) Non-catalytic homogeneous
(B) Non-catalytic heterogeneous
(C) Catalytic homogenous
(D) Catalytic heterogeneous
phase oxidation of SO2
to SO3
is accomplished by a __________ reaction.
(A) Non-catalytic homogeneous
(B) Non-catalytic heterogeneous
(C) Catalytic homogenous
(D) Catalytic heterogeneous