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

Shape

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Volume

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Colour

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State

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Solution

The correct option is C

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

Q. Rusting of iron can be observed by a change in colour.

Q. Iron can be protected from rusting by coating with zinc. How does it prevent oxidation of iron?

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.

Question 21

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 formation of rust from iron is a chemical change?
(d) Give two other examples of a similar type of change.

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

The correct option is C 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.

The correct option is C

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.