Multiple choice

Who invented ' Ozone' in 1839?

  1. Christian Schonbem (Germany)

  2. Greville Bradshaw (England)

  3. Edward Butler (England)

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Christian Schonbein discovered ozone in 1839 while working with electrical equipment. He named it from the Greek word 'ozein' meaning 'to smell' because of its distinctive odor.

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