Question

detail about corrosion of metals

Answer 1

metals get corroded when those are expressed to the air or atmosphere amd these metals loose there colour and get rushed
hope it helps u

Answer 2

Hey!!!!

As promised I'm here

Corrosion Of metals according to class 10⤵️

=> The slowly eating up of the Metal by the effect of atmospheric gases like oxygen, hydrogen sulphide.etc is called Corrosion of metal.

According to class 10⤵️

1. Rusting of Iron
=> Rusting of Iron results in the formation of hydrated ferric oxide of brown colour.

=> 2Fe + xH20 + O2 ===> Fe2O3.xH2O

2. Tarnishing of Silver
=> Silver develops a black layer when exposed to air for a longer time.
=> This black layer is of silver sulphide.

=> 2Ag + H2S ===> Ag2S + H2

3. Corrosion of copper
=> Copper articles develop green layer of basic copper carbonate.

=> Cu + H2O + CO2 + O2 ===> Cu(OH)2.CuCO3

Prevention of Corrosion ⤵️

1. Painting = This prevents direct contact with air

2. Electroplating

3. Making Alloy

__________

Hope this helps ✌️