Chemical reaction is a process in which atoms of an element rearrange themselves to form a new substance. Nuclear reaction is a process in which the structure of the nucleus of an atom is changed with the...

Chemical Engineering is the science of applying chemistry to industry. Petrochemical Engineering is the science of dealing with the chemical products derived from petroleum.

A cake is a form of bread; whereas brownie is something in between a cake and cookie.

An Illusion is an image that deceives the mind by producing a false impression of reality. Magic is defined as the art of producing illusions as entertainment by the use of devices.

The main difference between cake and pie is the content of which they are made. Cake is made up of frostings and creams, while pie is baked bread, made up of stuffing.