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What happens to the weight of iron, when...

What happens to the weight of iron, when it rusts?

A

Increases for long time

B

Decreases then increases

C

Increases then decreases

D

Remains the same

Text Solution

Verified by Experts

The correct Answer is:
C
When iron or any other meta oxidizes, oxygen from the a combines with the iron to make iron oxide or rust. So, weight of the bi increases, due to the increased weigh of oxygen which has combined wit the iron over time, the weight of the: iron bar will tend to decrease, due 1 factors related more to erosion that to chemistry.
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Knowledge Check

  • Rusting of iron is

    A
    A decomposition process
    B
    A photochemical process
    C
    An electrochemical
    D
    A reduction process

  • ……. prevents the rusting of iron.

    A
    Copper
    B
    Zinc
    C
    Aluminium
    D
    Silver

  • ………… prevents the rusting of iron.

    A
    Copper
    B
    Zinc
    C
    Aluminium
    D
    Silver

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