Please answer it fast.

Dear student,
Please find below the answer:

1. False. Depending on the nature of poles, the magnetic force can be attractive or repulsive.
2. True. Destruction of magnetism can be done by either heating or hammering.
3. True. 
4. True. A Magnet will exert a force of attraction on all magnetic materials like iron nails, steel etc.
5. True.
6. False. The strength of an electromagnet can be altered by changing no. of turns in the coil, passing current etc.
7. False. Double Touch is a method of magnetizing a material by using two magnets placed underneath an iron bar. There is no other way to do it.

8. True.


Hope this clears your doubt.
Regards.