Stainless steel is very useful material for our life. In stainless steel, iron is mixed with

Silver articles become black on prolonged exposure to air. This is due to the formation of

Galvanisation is a method of protecting iron from rusting by coating with a thin layer of

If copper is kept open in air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of

Generally, metals are solid in nature. Which one of the following metals is found in liquid state at room temperature?