Question

A gas has a characteristic fishy odour and blue colour, it restores the colour of blackened lead paintings. It also act as bleaching agent in the absence of moisture. The gas is

Answer 1

Hi please consider the answer given below;

The gas is likely to be

Ozone is a gas that is normally found in the upper part of the atmosphere. The gas forms a layer which normally shields the organisms living on the earth from ultra violet radiations.

I hope the answer given helps you.