1.

Some articles made of silver, copper and iron get coloured coating over them when they are exposed to air . Identify the colour andchemical name of the substance of coating in each case.

Answer»

Solution :(i) Silver:Colour-Black
(II) Copper: Colour-Green
Chemical NAME-Copper oxide
(iii) Iron : Colour-Reddish BROWN
Chemical name -FERRIC oxide.


Discussion

No Comment Found

Related InterviewSolutions