If the percentage of sulphur is less than 0.5% in petroleum, then it is called sweet crude oil. It came to be called ‘sweet’ because the low level of sulphur gives the oil a mildly sweet taste and pleasant smell. It also contains a small amount of hydrogen sulphide and carbon dioxide.
Check Also
Nitin Gadkari Biography: Early Life, Political Career, Achievements
Nitin Gadkari is the current Minister for Road Transport & Highway in the Government of …