TS EAMCET 2015 Solved Paper

Section: Chemistry

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Question : 127 of 160

Marks: +1, -0

The key step in the manufacturing of H2SO4 by contact process is

Absorption of SO3 in H2SO4 to give oleum
Dilution of oleum with water
Burning of sulphur in air to generate SO3
Catalytic oxidation of SO2 with O2 to give SO3

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