Chemical engineering is the position, which is responsible for manufacturing the chemicals in which raw materials such as salt, air, coal etc are used to convert it into useful products such as fuel, fertilizer and plastic. Chemical engineer is the person who develops and designs all these things using knowledge of chemistry and engineering. Along with the production, they also take care that there is no any harm to the environment.
They do all this work with use of computer in which they calculate required quantity of raw materials, required amount and energy needed for the whole process. They also do product marketing and give advice to clients. For this position the candidate must be having interest in maths and science and must be like to know that how the things work.