Multiple choice

Lavoisier called Carbon dioxide as

  1. Vitiated air

  2. Chalky acid gas

  3. Laughing gas

  4. Repairable air

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Antoine Lavoisier referred to carbon dioxide as 'chalky acid gas' during his early chemical investigations into respiration and combustion. Joseph Black had previously discovered it and called it 'fixed air'.