Uses of hydrogen peroxide

(i) For bleaching the delicate articles such as wool, feather, hair, ivory, etc.

(ii) For restoring colour of old lead paintings whose white lead has blackened due to formation of PbS by H₂S of atmosphere. The Hydrogen peroxide converts the black lead of the sulphide to white lead sulphate

(iii) As the aerating agent in production of thespong rubber.

(iv) As the antiseptic and germicide for washing the wounds, teeth and ears, under name of perhydrol.

(v) In manufacture of the sodium percarbonate, sodium perborate, sodium percarbonate. These are used in good quality detergents.

(vi) As the antichlor.

(vii) As an oxidant for the rocket fuel.

(viii) In detection of the Ti, V and Cr ions with which it forms peroxides of the characteristics colours.

(ix) In the manufacture of epoxides, propylene oxide and polyurethanes.

(x) In synthesis of the hydroquinone, pharmaceuticals (cephalosoporin) and food products such as tartaric acid.

(xi) For the pollution control of domestic effluents where it restores aerobic conditions of the sewage wastes. For the pollution control of industrial effluents containing CN^- ions. H₂O₂ oxidises CN^- ions to the harmless products.

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