Question

I have boil some milk on a hot summer day after cooling it i forget it took place in fridge what kind of change will take place in the milk after 12 hours and why

Answer 1

Answer:

it will be curdish like substance chemical change as it cannot be reversible into milk

Answer 2

Answer:

It is a kind of irreversible change. It is because the milk curdles as it was not kept in the fridge