Interactive Chemistry Worksheets for Students


Periodic table

Naming compounds

Basic formula

Simple compounds

Ionic compounds 1

Ionic compounds 2

Chemical suffixes

Old chemical names

Hydrocarbons - Alkanes

Alkanes, alkenes & alkynes

Alkanols to alkanoic acids


Common compounds

Common formula quiz

Acids, bases and salts

Covalent compounds

Printable worksheets


  1. Vinegar is a weak acid with a pH of 2-3
  2. Vinegar is a mixture of about 5% acetic and water with a small amount of other flavoring and coloring chemicals which depends on the method of production. eg. balsamic vinegar, apple vinegar, brown vinegar and white vinegar
  3. The chemical formula for vinegar is shown by its main component, acetic acid. The structural formula for acetic acid is CH3COOH or 
  4. The systematic chemical name for acetic acid is ethanoic acid. The 'eth' prefix means there are 2 carbon atoms and the 'anoic' suffix means that it contains an organic acid or 'carboxyl' group. ie. - COOH
  5. Vinegar or acetic acid is a weak acid and only partially dissociates or ionizes in water.

    CH3COOH(aq) <==> CH3COO-(aq) + H+(aq)

    99%                              1%                      1%

  6. The weak nature of the vinegar allows it be safely used for cooking, for preserving foods and as a condiment for foods. eg. In salad dressings.
  7. Vinegar can also used as a cleaning aid and the treatment of box jelly fish stings