O2 isn't necessary for rusting, but some source of oxygen is required. Rust is just another name for iron oxide, and without oxygen there can't be oxide.
Hope this helps,
Davinia.
Cyclohexanol is an Alcohol..........
Answer:
Explanation:
For water, the temperature needs to be a little over zero degrees Celsius (0C) for you to melt. If you were salt, sugar, or rock, your melting point is higher than that of water.
Plasma forms when a gas reaches extremely high temperatures
NaCl= sodium chloride or salt
KBr= potassium bromide
