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Question

Which of the following items cannot be picked up by a magnet?

A
Aluminium False ceiling
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B
Paper clips
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C
Iron nails
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D
Hair pins
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Solution

The correct option is A Aluminium False ceiling
Those materials that are attracted by magnets are known as magnetic materials. Iron, steel, nickel, and cobalt are attracted by a magnet. Hence, they are magnetic materials. The most common and important magnetic materials are iron and steel. Hair pins, paper clips, and iron nails are made of either iron or steel.

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