Question

Name a substance which is used to make good
permanent magnets.​

Answer 1

Permanent magnets are made from special alloys (ferromagnetic materials) such as iron, nickel and cobalt, several alloys of rare-earth metals and minerals such as lodestone.

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Answer 2

Answer:

special alloys (ferromagnetic materials)

Explanation:

such as iron, nickel and cobalt, several alloys of rare-earth metals and minerals such as lodestone.