Which of the following is incorrect statement?

Answer: D. Keeping in open will not change magnetic properties

Magnets can lose their magnetism through a process called demagnetisation, which occurs when their internal magnetic domains are forced out of alignment. Simply leaving a magnet in the open without proper storage (such as using "magnetic keepers") can lead to a gradual loss of strength over time. Magnets can self-demagnetise if their poles are not connected to a material that provides a closed path for the magnetic field.

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