Question

What happens when- (Mention chemical equations also)
a) Aluminium foil is treated with dil.Hydrochloric acid. b) Sulphur dioxide dissolve in water.
c) Iron nails are placed in copper sulphate solution.
d) Conc.Sulphuric acid is poured on a Copper plate.
e) Copper vessel is exposed to moist air for long time

Answer 1

Explanation:

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Answer 2

Answer:

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