Define Corrosion. Give three examples giving reactions and mentioning colour changes
in each.
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0
Answer:
when some metal is exposed to moisture and oxygen it corrodes or rusts
Brown
red
grey
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Answer:
When metals are placed in surrounding then it react with the moisture, acids , etc and becomes corrode or fade this process is called corrosion.
For example:
Metals. Colour after corrosion
Silver Black colour
Iron Reddish brown
Copper Green colour
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