Multiple choice general knowledge science & technology

The element common to all acids is

  1. hydrogen

  2. carbon

  3. sulphur

  4. oxygen

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

All acids contain hydrogen that can be released as H+ ions in solution. This is the defining characteristic of acids according to Arrhenius and Brønsted-Lowry theories - the ability to donate protons (H+).