Multiple choice

Which of the following substances is made of only one type of molecules?

  1. Carbon dioxide

  2. Air

  3. Lemonade

  4. Vinegar
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carbon dioxide is a chemical compound consisting of a single type of molecule (CO2), whereas air, lemonade, and vinegar are mixtures containing multiple types of molecules.

Keep practicing — related questions