Answer:
There are following ways to identify the magnet: (i) By suspending the metal bars with a thread: Keep it horizontal and let it stop in any direction. If we move it by pushing it slowly and if it returns to the same direction, it means, it is a magnet otherwise it is a simple iron bar. (ii) By attracting iron filings: If iron filings are attracted at poles, then it is magnet otherwise it is a simple iron bar.
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