Statement I: If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.

Statement II: Rusting of iron is a chemical change.

Both the statements are correct.

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Both the statement are incorrect.

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Only statement I is correct.

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Only statement II is correct.

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Solution

The correct option is A Both the statements are correct.
The process by which a brown flaky layer gets formed over an iron object upon prolonged exposure to air and moisture (water) is known as rusting.
Rusting of iron is a chemical change as a new substance rust is being formed.

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Similar questions

Q. Statement I: If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.

Statement II: Rusting of iron is a chemical change.

Q. (1)

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?

(2)

If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.

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

(3)

If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.

(4)

If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.

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

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.

Q. Any article of iron if left in open for some time, acquires a film of brownish substance (rust) having chemical formula:

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Statement I: If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust. Statement II: Rusting of iron is a chemical change.

The correct option is A Both the statements are correct.The process by which a brown flaky layer gets formed over an iron object upon prolonged exposure to air and moisture (water) is known as rusting. Rusting of iron is a chemical change as a new substance rust is being formed.

Statement I: If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.

Statement II: Rusting of iron is a chemical change.

The correct option is A Both the statements are correct.
The process by which a brown flaky layer gets formed over an iron object upon prolonged exposure to air and moisture (water) is known as rusting.
Rusting of iron is a chemical change as a new substance rust is being formed.