Sulphuric acid can be formed naturally by oxidation of .
A
Sulphur trioxide
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B
Hydrogen sulphide
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C
Iron sulphide
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Solution
The correct option is C Iron sulphide Sulphuric acid is formed naturally by oxidation of sulphide minerals such as iron sulphide. This sulphuric acid can be seen near volcanic sites such as the pool in Yellowstone National park, U.S.