Question

name the chemical compounds formed on the surface of silver copper and iron metals when exposed for some time in atmosphere​

Answer 1

Explanation:

(i) On the surface of silver : Black silver sulphide (Ag2S). (iii) On the surface of iron : Brown rust i.e., Hydrated ferric oxide (Fe2O3.)

Answer 2

Name the chemical compounds formed on the surface of silver, copper and iron metals when exposed for sometime to atmosphere.

Solution : (i) On the surface of silver : Black silver sulphide (Ag2S). (iii) On the surface of iron : Brown rust i.e., Hydrated ferric oxide (Fe2O3.