Question

is adding water to buttermilk is a irreversible change

Answer 1

No not at all.

It is a reversible change because

• This is a physical change

• The buttermilk can be melted to get back the original buttermilk

• So the change can be reversed

Hope it helps you.

Answer 2

No it is a reversible change. Physical change is

happened there that is no new substance or

any new smell hasn't formed etc.

I hope it is helpful my friend