Question

1-What is meant by 'rusting'? With labelled diagrams, describe an activity to find out the
conditions under which iron rusts.
2-(a) What is the colour of ferrous sulphate crystals? How does this colour change after
heating?
(b) Name the products formed on strongly heating ferrous sulphate crystals. What type of
chemical reaction occurs in this change? Write chemical equation of the reaction.
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Answer 1

Answer:

rusting means to rust any where is called rusting

Answer 2

Answer:

when an iron comes in contact with gases and air present in atmosphere it forms layer on surface of that iron and gives reddish brown colour this is called rusting of iron.