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

The arrangement of atoms in a molecule helps determine its polarity. A molecule is said to be polar, if it has a positive and a negative charge. A non-polar molecule is a molecule with less charge.

Atomic mass is defined as the total mass of protons, neutrons and electrons present in an atom of an element. Atomic weight is defined as the ratio of average mass of the atom present in an element. It is...

Melting is the process of changing a substance from solid to liquid form. This is generally done by heating the substance. However, smelting is a process to convert a substance or ore to its purest form by...

Smoke is the gaseous form of fine solid and liquid particles. It comes by burning some organic material like wood, petrol, etc. Fume is a smoke-like vaporous emission of substances. Fume is distinguished by...