Multiple choice general knowledge science & technology

CO2

  1. Carbon di oxide

  2. Nitrogen

  3. Calcium

  4. Citrius

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

CO2 is the chemical formula for carbon dioxide, a compound consisting of one carbon atom bonded to two oxygen atoms. Nitrogen is N2, Calcium is Ca, and 'Citrius' is not a valid chemical name. Carbon dioxide is a greenhouse gas and product of respiration and combustion.