Anisaldehyde.
4-methoxybenzaldehybe, C₈H₈O₂. A colourless liquid, b.p. 248⁰C. It occurs in aniseed and is used in synthetic perfumery under the name audepine’ or artifical hawthorn.

Anisole.
Methoxybenzene, C₇H₈O, PhOCH₃. Colourless liquid, b.p. 155⁰C. Prepared by the action of dimethyl sulphate on a solution of phenol in excess of alkali

Anode mub.
By passing the electric current, the pure metal generally dissolves from the anode and is deposited on the cathode. The soluble impurities go into the solution, while insoluble matter settles at the bottom, called anode mud

Anode.
The electrode which carries the positive charge in an electrochemical cell. In electrolysis the anode is the electrode at which the negative ions are discharged

Anodic oxidation.
Process of oxidation in solution by using an electric current

Anodizing.
A process of coating objects made of aluminium with a protective oxide film, by making them the anode in an electrolytic both containing an oxidizing electrolyte. Anodizing can also be used to produce a decorative finish by formation of an oxide layer that can absorb a coloured dye