Q1. If
you leave a piece of iron in the open for a few days, it acquires a film
of brownish substance, called rust.
(a) Do you think rust is different from
(b) Can you change rust back into iron by some simple
(c) Do you think formation of rust from iron is a chemical
(d) Give two other examples of a similar type of change.
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Answer:
(a)Yes,rust is different from corrosion because rust happens only in iron
(b)Yes we can prevent rusting by applying lubricants galvanization,ect
(c)Yes it is a chemical change
(d)Copper turns to green color
Silver turns black
Explanation:
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