State one use of sulphuric acid in each of three different industries.
Study of Compounds: Sulphuric Acid
Original Khojo Papers practice question — not from a past board paper.
It removes the elements of water from sugar, leaving a black mass of carbon, and it converts blue hydrated copper sulphate crystals into the white anhydrous salt. It also dehydrates ethanol to ethene.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Dehydration removes hydrogen and oxygen in the ratio in which they occur in water, which is not the same as simply drying a substance.
From the same topic and chapter, at a similar level.
State one use of sulphuric acid in each of three different industries.
Study of Compounds: Sulphuric Acid
Write equations to show sulphuric acid acting as (i) a dilute acid with zinc and (ii) an oxidising agent with copper.
Study of Compounds: Sulphuric Acid
Describe the contact process for the manufacture of sulphuric acid, giving the equations and the catalyst used.
Study of Compounds: Sulphuric Acid
Why must concentrated sulphuric acid always be added to water and never water to the acid?
Study of Compounds: Sulphuric Acid
What is oleum and why is sulphur trioxide dissolved in sulphuric acid rather than in water?
Study of Compounds: Sulphuric Acid
The catalyst used in the contact process is:
Study of Compounds: Sulphuric Acid