In the manufacture of sulphuric acid by contact process, Tyndall box i

1.	In the manufacture of sulphuric acid by contact process, Tyndall box is used to [KCET 2003]
A.	Filter dust particles
B.	Remove impurities
C.	Convert \[S{{O}_{2}}\] to \[S{{O}_{3}}\]
D.	Test the presence of dust particles
Answer» E.

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In the manufacture of sulphuric acid by contact process, Tyndall box is used to [KCET 2003]

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