No.
Steel nails or screws can be magnetized and are commonly used to stick wood together by creating a magnetic bond with other metal surfaces or materials.
A Weakly magnetised nail will pick up less paper clips then a highly magnetised nail, Hope That Helps:)
The strong magnetised nail will pick up more paper clips than the weak magnetised nail.That is because the strong magnetised nail is getting more strength and that means that the weak magnetised nail is getting less strength.in a steel nail there are these things called domains, in a weakly magnetised nail some of them will be pointing north, south, east and west, but however in a strongly magnetised nail all the domains will point to north.
You can put a magnet near the metal. If it gets attracted or repelled, then it is magnetised
Diamagnetic substances are not magnetised. Example: water is a diamagnetic substance, so it cannot be magnetised by any means.
what is the diffrence between a magnetised nail and a unmagnetised nail
When wood burns, the fibrous structure of the wood is lost; even if the chemical reaction could be reversed, the information contained in the physical arrangement of the original wood no longer exists. Wood has a shape, ashes do not.
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lead is an inert metal and can not be magnetised
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That is called "charcoal." It is the residue left after partially burning wood or coal in a low-oxygen environment.
ferro magnetic substances can be magnetised. but it is not necessary that all the Ferro magnetic substances can be permanently magnetised. it depends on the alignment of domains in the substance.for example wrought iron can be magnetised permanently but soft iron can only be magnetised temporarily(Electro Magnets).