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In the Contact process for the manufacture of sulfuric acid, the key stage is the reaction of sulfur dioxide and oxygen, in contact with a vanadium(V) oxide (V2O5) catalyst, to form sulfur trioxide
(2016)
Consider the reaction scheme on the right
To determine the biochemical oxygen demand (BOD) of the water in a lake, two samples were taken and one was tested immediately
Distinguish between a strong acid and a weak acid
Define reduction in terms of (i) electron transfer, (ii) change in oxidation number
