Same chapter3 marksDifficulty: Medium
Why must concentrated sulphuric acid always be added to water and never water to the acid?
Study of Compounds: Sulphuric Acid
1 markDifficulty: Medium
The catalyst used in the contact process is:
- airon
- bvanadium(V) oxide
- cnickel
- daluminium oxide
Original Khojo Papers practice question — not from a past board paper.
Answer
vanadium(V) oxide
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
It converts sulphur dioxide to sulphur trioxide at about 450 °C.
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