Name some materials which are made from common salt (nacl, sodiumchloride).

Caustic Soda, Chlorine, Polyvinyl Chloride, Plastic, Paper Pulp

Nearly all baked goods contain small amounts of salt. salt is used as a preservative in pickles. some other materials containing sodium chloride are water softener salt,pool sanitizerr,ice melting granules, skin softeners, cosmetics and salt licks for animals. :)

Yes you are correct use the scientific method

Copper, silver, aluminum, cobalt, chromium, mercury