Question

5. What are non- magnetic substances?
6. State two ways of magnetising an iron piece?.
7. How can magnetic properties of a magnet be destroyed?​

Answer 1

5. The substances which do not have the property to attract other substances towards it are called non magnetic substances. Eg. Silk

6. i) By taking a piece of magnet and then constantly rubbing it against it from one end to another end for about 15 minutes.

ii) By keeping it near a magnet for many days.

7. By rusting, by not storing it in proper place I.e. magnetic keepers, by not handling it properly, when it falls down many times etc.

Hope you understood!