We often see aluminum used to make saucepans. It is a really good cooking surface, it will accept a Teflon coating, and is also one of the best conductors of heat among all metals. Note that cast iron, stainless steel and copper clad cookware are available. So are some other materials, too. Each of the materials has different properties that make it a good choices for cooking, and debate still continues over which particular metal is better. Many consider that the choice of a given material comes down to trading off characteristics
It might be noted that there are glass and ceramic saucepans, too, but it was metal that was asked about.
copper
nitrogen and hydrogen reacted over an iron catalyst
Yes coal is a raw material. Raw materials are materials as they are found, and unchanged by a process. Coal is mined, but is used in the same form as it is dug up. Nothing needs to be done to the coal to make it useful, other than transporting it.
wood
which material used in mattress
ammonia and oxygen
Aluminium is used.
silicon
you dont make it out of materials you use wood&glass.
Actually there are really no raw ingredients in yogurt
Rubber
you use water to make a car
Just iron, since it is a raw material already.
Carbon, Hydrogen, and Oxygen
carbon and coke
plastic
Raw materials are the materials used to make a finished product. One example would be that mud, water and straw can be combined to make a house. The mud, water and straw are the raw materials, the house is the finished product.
cementsandcoarse aggregatewater andsome admixtures.