Which Material Is Required To Make Which Object?

Which material is used to make electromagnets and why?

Which of the following material is used to make calorimeter?

Which material is used in making permanent magnets and why?

What are the raw materials required for making soap in a laboratory (or home)?

Match the objects given below with the materials from which they could be made. Remember, an object could be made from more than one material and a given material could be used for making many objects.