Describe the use of hydrogen peroxide in restoring the colours of the old paintings?

Hydrogen peroxide is used to restore the colour of old oil paintings containing lead oxide.

When an oil painting is constantly exposed to the atmosphere, the traces of hydrogen sulphide gas present in the atmosphere slowly blackens the painting by converting lead oxide (white) to lead sulphide (black).

Explanation:

You Already know It's used to restore Old Artifacts,What new Thing You'd like to know about it?

if the concentration of products is decreased, the equilibrium will shift toward the products). add an inert gas (one that is not involved in the reaction) to the constant-volume reaction mixture: this will increase the total pressure of the system, but will have no effect on the equilibrium condition.

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