With the help of a metal can be turned into a magnet, temporarily.

electricity

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heating

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pressing

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non-metal

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Solution

The correct option is A electricity
When electricity is passed through a metal, it behaves like a magnet. This phenomenon is called electromagnetism. So with help of electricity, we can turn a metal into a magnet.

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Similar questions

An iron metal bar can be converted into a permanent magnet.

Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with :

(a) a monovalent metal

(b) a divalent metal.

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