Which of the following are the stages in contact process?

Burner

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Converter

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Absorption tower.

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Catalytic chamber

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Solution

The correct options are
A
Burner

B
Converter

C
Absorption tower.

There are four stages in the contact process: Burner to burn sulphur to form SO₂, Converter to convert SO₂ to SO₃, Absorption tower to form oleum and Dilution tank to dilute oleum into sulphuric acid.

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