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Rusting of iron is a chemical change bec...

Rusting of iron is a chemical change because

A

it is temporary

B

it can be removed and original substance can be recovered

C

it is a slow reaction

D

a new substance is formed.

Text Solution

Verified by Experts

The correct Answer is:
D
In rusting of iron, a new substance called rust or iron oxide is formed.
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Knowledge Check

  • Rusting on iron needs

    A
    Dry air
    B
    Air and water
    C
    Distilled water and carbon dioxide
    D
    Oxygen and carbon dioxide

  • Rusting of iron involves

    A
    oxidation
    B
    reduction
    C
    decompositions
    D
    displacement

  • Rusting of iron is catalyzed by

    A
    `H^(o+)`
    B
    Dissolved `CO_(2)` in water
    C
    `O_(2)`
    D
    Impurities present in `Fe`

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