Question

What are examples of spontaneous process?

Answer 1

Below are some of the examples of spontaneous process (as it is not defined whether in phy, chem or bio I am citing examples from the three:

Explanation:

These examples are:

=>Melting of ice
=>Rolling of a ball downhill
=>Rusting of iron
=>Deformation of plastic
=>Flow of electricity through a resistance
=>Freezing of water below its freezing point
=>Boiling of water above its boiling point

Spontaneous process is also called as irreversible process in terms of Physics as they cannot be exactly reversed unless an additional step is taken.