What method is used to manufacture sulphuric acid?
Contact process
How is sulphur dioxide prepared?
burning pure sulphur in the presence of excess air.
True or False. Sulfuric acid does not preserve the look and colour of foods.
False
True or False. Sulphuric acid cannot contaminate soil and water
False
Who invented the contact process?
Peregrine Phillips
True or False. sulphur dioxide is an antioxidant that shields food against browning brought on by oxidation
True
True or False. Acid rain can affect crops, forests, and water bodies?
True
Foods that can be preserved with sulphur dioxide?
dried fruits and vegetables, pickled vegetables, fruit juices, and grape wines
What are the four steps in the contact process?
Extraction of sulphur.
Preparation of sulphur dioxide.
Conversion of sulphur dioxide to sulphur trioxide.
Conversion of sulphur trioxide to sulphuric acid.
How is sulfuric acid regulated?
using pollution control tools, adopting cleaner industrial techniques, or disposing of waste items properly.