Question

4. Rustin of iron is an example of
a. slow Change
b. fast physical change
c. ​

Answer 1

$\small{ \bold{ \pink{question}}}$

Rustin of iron is an example of

a. slow Change

b. fast physical change

$\small { \bold{ \purple{answer}}}$

A) slow change

Answer 2

$\small \sf \green {\boxed {Rusting \: is \: Slow\: Chemical\: Change\: !!}}$

Rusting is the reaction of iron and oxygen in the presence of water or moisture and forms iron oxide which is called rust.

It is chemically a slow process.