Multiple choice

The two gases used in the industrial preparation of sulphuric acid are

  1. carbon dioxide and oxygen

  2. sulphur dioxide and hydrogen

  3. sulphur dioxide and oxygen

  4. sulphur dioxide and chlorine
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Contact process for the industrial production of sulphuric acid involves the oxidation of sulphur dioxide to sulphur trioxide using oxygen, which is then absorbed in water.

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