Answer: (d) (i) and (iv)
- Aluminium is ductile and has a high electrical conductivity, which makes it unsuitable for utensil production.
- Aluminium has a high melting point and good heat conductivity.
- Copper, steel, and aluminium are the most popular metals used to make utensils.
- Due to their ability to conduct heat, copper and aluminium are the most used materials.