Question

name the metals which on corrosion devely
the following color and also name the
coloured cothropound formed on them
(i)black
(ii)green
(iii) Dull
(iv) Reddish​

Answer 1

Answer:

Thin tarnish layers on silver can vary from yellow to red to blue before the layer becomes black, its final colour. This photograph shows red and blue interference colours on the outer edges of a silver object.