iron is a metal that rusts in the presence of oxygen and water. mild steel is used for ...1... and is prevented from rusting by ...2...chemistry igcse

In a closed or isolated system , matter can not be created or destroyed. it can change forms but is conserved true or false

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions. what elemental classification does oxygen belongto? done

Acontrol during an experiment. might change remains constant does not exist does change