In the manufacture of sulphuric acid by contact process, Tyndall box is used to

Explain the manufacture of sulphuric acid by contact process.

In the manufacture of sulphuric acid by the contact process, sulphur trioxide is not directly dissolved in water. Why ?

In the manufacture of sulphuric acid by the contact process, sulphur trioxide is not directly dissolved in water. Why?

What is the catalyst used in the manufacture of sulphuric acid by contact process?

Name one catalyst which is used in the manufacture of sulphuric acid by contact process.