Sagot :
D. Oxygen
Rust is an iron oxide, a typically reddish-brown oxide generated when iron and OXYGEN react catalytically in the presence of water or air moisture. ... In the presence of water and oxygen, any iron mass can rust completely in a reasonable amount of time.
Answer:
WHAT IS THE PRIMARY CAUSE OF RUST BECAUSE WATER CONTAINS___?
A.HYDROGEN
B.CHLORIDE
C.CARBON
D.OXYGEN
[tex]______________________________[/tex]
Rust is an iron oxide, a usually reddish-brown oxide formed by the reaction of Iron and oxygen.