Why metals do not loose its lustre
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hey mate !! this is your answer
METALS WHEN EXPOSED TO AIR AND MOISTURE LOSE THEIR LUSTRE DUE TO THEFORMATION OF COMPOUNDS .FOR EXAMPLE:WHEN COPPER ISEXPOSED TO SUCH ENVIRONMENTAL CONDITION , ITslowly acquires a dull green coating.
hope it helps you ......
METALS WHEN EXPOSED TO AIR AND MOISTURE LOSE THEIR LUSTRE DUE TO THEFORMATION OF COMPOUNDS .FOR EXAMPLE:WHEN COPPER ISEXPOSED TO SUCH ENVIRONMENTAL CONDITION , ITslowly acquires a dull green coating.
hope it helps you ......
Sukhveerkaur:
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