Riddles

The best riddles i came across
The city thats shocks you is Electricity.
The city that travel fast is velocity.
A table eaten by vegetarian is Vegetable.
A table that is easily excited Excitable.
A table that is unsteady is Unstable.
A age that is used for healing purpose is Bandage.
An age of courage and bravery is courage.
An age of destruction is Damage.
An age when two people is united in life is Marriage.