Question

silver does not combine easily with oxygen but silver jewellery tarnishes after sometime.why?

Answer 1

bcoz sometimes silver react with atmospheric gas sulphur and form black silver sulphide coating on jewellery

Answer 2

Answer:

Explanation:

Pure silver is noble metal and doesn't react easily with oxygen and water. But silver reacts with the sulphides in the air to form silver sulfide which is black in colour