Question

Give the chemical name and chemical formulae of the following:
(a) A reddish brown deposit formed on iron nail on exposure to damp air
(b) A greenish layer formed on copper articles on long exposure to air.
(c) A blackish tinge formed on silver vessels
(ii) Also mention condition/conditions necessary for their formation in each case.
(iii) Name the process involved and define it.



koi hai kya bio me baat klne ke liye​

Answer 1

jennu Aksh or tere bich me kuch chal rha tha kya?

bar bar jennu ka nam liye ja rha hai

@Ritu/Lucky here