Question

the presence of.......and.....are neseccary for iron following
​

Answer 1

I thought your question is.....

Question:

The presence of____and____are necessary for iron rusting.

So, your answer will be.....

Answer:

water , oxygen ...

is your correct answer..

Request:

please mark me as Brainlist...

hope my answer will satisfy you...

please follow me...

and, click that vote button....

and, click that thanks button....

Answer 2

Answer:

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.