Indentify each type of property in the following statements. check my work (about physical and chemical prop)?

Question

a) passing an electric current through molten magnesium chloride yields molten magnesium and gaseous chlorine.
b) the iron in discarded automobiles slowly forms reddish brown, crumbly rust.

my approach:
a) chemical property = magnesium chloride yields molten and cholrine cgas
physical property = electric current, molten, gas chlorine
b) chemical property = none
physical property = iron forms reddish and crumbly rust

Answer 1

Just a correction in b) because the formation of reddish rust is a chemical property due to oxidation of iron by oxygen.

I think the rest of statements is right.

Good luck!

Answer 2

rusting is an oxidation reaction. you can't reverse it by changing something like temperature. it takes a lot of effort to go back to the unrusted state