Question

FILL UP:-

1. _______ is a naturally occuring magnet.

2.______magnets retain magnetic properties once they are magnetised.
materials.

3.Materials attracted by a magnet are called______materials.

4 Every magnet always has _____poles

5. ______is an ore of iron having magnetic properties.

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Answer 1

Answer:

1.lodestone

2.A magnet is any piece of material that has the property of attracting iron (or steel). Magnetite, also known as lodestone, is a naturally occurring rock that is a magnet. ... Magnets may be permanent or temporary. After being magnetized, a permanent magnet will retain the properties of magnetism indefinitely.

3.magnetic materials.

4.Amagnet always has two poles: north pole and south pole. (ii) Like magnetic poles repel each other and unlike magnetic poles attract each other.

5.Magnetite is a rock mineral and one of the main iron ores, with the chemical formula Fe3O4. It is one of the oxides of iron, and is ferrimagnetic; it is attracted to a magnet and can be magnetized to become a permanent magnet itself.

Explanation:

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Answer 2

ANSWER: 1 . Magnetite

2. temperature

3. magnetic

4. 2 ( two )

5. Magnetite

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