Name the following
A reddish-brown coloured metal
So, the metal that is having a reddish-brown coloured appearance is copper (Cu).
Metal A is found in the earth's crust and on exposure to moist air, it forms a reddish-brown flaky substance. When a container made up of metal A is used to store a blue coloured solution of B, the blue colour changes to pale green and reddish-brown metal C is formed. Identify A,B,C and write a balanced equation for the reaction. Also name the type of reaction.
The reddish brown layer of _________ on metal is called as rust.