1.What was the nature of AIR in the begining?
2.How it got the name 'Akashwani'?
3.Write note on any one programme broadcasted by All India Radio (AIR) that awakens
the masses
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Explanation:
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.
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