Multiple choice

Why is vinegar used to dye Easter eggs?

  1. its acidity creates the necessary chemical reactions

  2. it hardens the eggshell

  3. its neutrality creates the necessary chemical reactions

  4. it neutralizes the distilled water

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

Vinegar is an acidic solution containing acetic acid, which reacts with the eggshell and protonates its proteins to allow the dye to bind effectively. Neutrality or neutralization of water would not provide the necessary acidic environment for this chemical process.