Multiple choice general knowledge

The element common to all acids is

  1. carbon

  2. hydrogen

  3. oxygen

  4. sulphur
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

All acids contain hydrogen ions (H+) as their essential component. When an acid dissolves in water, it releases hydrogen ions, which is what gives acids their characteristic properties like sour taste and ability to turn litmus red.

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