Question

Long answer questions.
19) a) you are given the following materials a) Iron nails b) copper sulphate solution c) Barium Chloride
solution d) copper powder e) ferrous sulphate crystals f) quicklime
Identify the type of chemical reaction taking place when
1) Barium Chloride solution is mixed with copper sulphate solution and a white precipitate is observed
on heating copper powder in air in a China dish the surface of copper powder turns black.
lil on heating green coloured ferrous sulphate crystals reddish brown solid is left and smell of gas
having odour of burning sulphur is experienced.
b)select the oxidising agent and reducing agent from the following reaction​

Answer 1

Answer:

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Explanation:

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