Rusting of iron can be identified by change in it's:

colour

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volume

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shape

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state

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Solution

The correct option is A colour
During rusting, a brown coloured layer is formed on the surface of the iron. This change in colour indicates that iron has been rusted.
However, no change in shape, volume and state take place during rusting of iron.

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Similar questions

Rusting of iron can be identified by change in it's:

Rusting of iron can be prevented by:

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 iron?

(b) Can you change rust back into iron by some simple method?

(c) Do you think the formation of rust on iron is a chemical change?

(d) Give two other examples of a similar type of change.

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