Question

what two substances must be present for iron to Rust​

Answer 1

Answer:

The iron reacts with water and oxygento form hydrated iron(III) oxide, which we see as rust. Iron and steel rust when they come into contact withwater and oxygen – both are needed for rusting to occur.

Answer 2

What two substances must be present for iron to Rust​ ?

WATER AND OXYGEN

The iron reacts with water and oxygen to form hydrated iron(III) oxide, which we see as rust. Iron and steel rust when they come into contact with water and oxygen – both are needed for rusting to occur.

hope it helps !!