Chemical Process
H₂S is scrubbed from refinery gases by absorption using

Dilute H₂SO₄
Chilled water
Tri-butyl phosphate
Ethanol amine

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
The chamber process is

None of these
Non-catalytic and operates only on pyrites
A batch process for directly producing high strength (98 to 100%) H₂SO₄
Preferred over contact process for producing 98 to 100% H₂SO₄ and various oleums

ANSWER DOWNLOAD EXAMIANS APP