If copper is kept open in air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of 

A metal 'P' when exposed to moist air for longer period of times, loses its shining brown surface and gains green coating, what has happened ? Identify the metal, write the name and chemical formula of green coloured compound. List two ways to prevent this process.

Say which of the following is true and false green coating on copper is due to the formation of copper carbonate.

Copper reacts with moist carbon dioxide in the air and slowly loses its shine to gain a green coat of ____.

Silver articles become black when kept in open for some time, whereas copper vessels lose their shiny brown surfaces and gain a green coat when kept in open. Name the substances present in air with which these metals react and write the name of the products formed.

Articles made of copper or bronze slowly tarnish in air and turn green. The green colour is due to the formation of

Articles made of copper or bronze slowly tarnish in air and turn green. The green c olour is due to the formation of