Saturated hydrocarbons are the hydrocarbons in which single bond is between carbon and carbon atoms is present.
The general formula for these hydrocarbons is given as:
Unsaturated hydrocarbons are defined as the hydrocarbons in which double or triple covalent C-C bonds are there. They are known as alkenes and alkynes respectively.
The general formula for these hydrocarbons are given as:
<h3><u><em>Metamorphic rocks started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic form. Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors.</em></u></h3>