Answer / palash

Equlibrium of a system means the stability of the system
It can be achieved if three types of stability are there in
the system.
As:

1)Mechanical Equilibrium: when the sum of horizontal and
vertical component of force in a system cancel each
other so that they can't exerts any extra force
it is called as mechanical equilibrium.

2)Chemical equilibrium: when the atoms or molecule of a
system are come to be chemically stable i.e no chemical
reaction is occured called as
Chemical equilibrium.

3)Thermal equilibrium: when ther is no heat flow out or in
to the system then it is thermal equilibrium

Answer / md.shakir ahasan

if the internal force of any body is equal to the external
force then this state is called equilibrium.

Answer / cmkashifabrar

When refrigerant (water) molecules leave the solution at the
same rate that they are being absorbed, the solution is said
to be in equilibrium.

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