so2 is the product of sulphide ores
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Answer:
yes so2 is the product of sulphide ores
Explanation:
In the Contact process, the first step which is the preparation of sulphur (IV) oxide is done by heating sulphur and oxygen over vanadium (V) oxide then it is further oxidised to SO3, passed through dilute H2SO4 to make oleum and then diluted with water to make concentrated H2SO4.
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