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The rusting of an iron pole is a chemical change. An example of a chemical change would be crumbling a piece of paper. When you are crumbling this piece of paper, the contents of the paper have not change and you are able to uncrumble the paper there is no difference except the paper has wrinkles. :) However in an example of chemical change like a metal rusting, you cannot un-rust it, it was chemically changed. Another example of a chemical change would be burning a piece of paper to ashes.

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Q: Why the rusting of an iron pole is not a physical change?
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Why rusting of an iron pole is not a physical change?

Because for iron to turn to rust, it must react with oxygen, which is a chemical change.


Why the rusting of an iron pole is not physical change?

The rusting of an iron pole is a chemical change. An example of a chemical change would be crumbling a piece of paper. When you are crumbling this piece of paper, the contents of the paper have not change and you are able to uncrumble the paper there is no difference except the paper has wrinkles. :) However in an example of chemical change like a metal rusting, you cannot un-rust it, it was chemically changed. Another example of a chemical change would be burning a piece of paper to ashes.


Why is support pole in my basement rusting even though the basement's completely dry?

Because you have a basement No area in a house is COMPLETLY dry. The pole is rusting because of moisture in the air. Humidity will rust the pole, I suggest two applications of a primer followed by an application of a latex based paint.


A magnet attracts a piece of iron and the iron can then attract another piece of iron .What is the basis of this attraction?

When an iron piece is quite away from the magnet ,i.e, not present in magnetic field of the magnet then the iron piece is in neutral state ,i.e, there is no north & south pole . But , as soon as the iron piece interacts with magnetic field of magnet ,i.e, near to the magnet then the north pole of magnet make the nearer part or end of the iron piece south pole & simultaneously other part of iron becomes north pole . Similarly if south pole of the magnet interacts with iron piece then that end/part becomes north pole & other end becomes north pole . Now this iron piece has north & south pole .So iron piece is now converted into magnet which can attract other iron pieces in similar way as explained before .


What is the full form of ICDP switches?

iron clad double pole switch


Will a iron axe attract to the south pole of a magnet?

It will be attracted to either pole.It will be attracted to either pole.It will be attracted to either pole.It will be attracted to either pole.


Which metal became negative pole a)iron and zinc b) copper and iron c) silver and magnesium?

The correct option for the combination where one metal becomes the negative pole is: b) copper and iron


Who can participate in pole vault?

Anybody with a heart can pole-vault but it takes courage and a decent amount of physical ability(be coordinated)


Is the geographic North Pole is also called the magnetic North Pole?

no, the magnetic north pole is determined by the molten iron core, and changes.


Which pole of a magnet is attracted to iron?

Any of the two poles will work. It will induce magnetism in the iron.


Is the south pole a human or physical feature?

The South Pole is a physical feature. It naturally-occurring, which means that humans do not play a part in the 'creation' of it.


Why does the north pole of a compass point towards the earth's north magnetic pole?

The center of the earth has iron core