Question

8. Write 'true' or 'false' for the following statements:
1. Magnetite (Fe3O4) is the world's first magnet.
2. Most of the magnetic strength of magnets acts at its mid point.
3. Repulsion is the surest test of magnetism.
4. Magnets lose their properties, if heated strongly or hammered or rough-handled.
5. A solenoid which has an iron core within it, is called magnetic keeper.​

Answer 1

Answer:

False

Explanation: