If you've noticed that your car has thick smoke coming out of the exhaust pipe, it may be a sign that your engine needs some attention. Just like you can examine an animal's stool to get an idea of its health, you can pay attention to the quality of your car's exhaust to get an idea of what's going on inside the engine.
The word sulfur has old roots. It comes from the ancient Latin word for sulfur, sulpur, which later changed to sulphur, perhaps under the influence of the Arabic word for yellow, sufra.
Some hold that the word chemistry had a Chinese origin. It may have been derived from the Hakka term KIM-MI or the Cantonese term KEM-MAI, which signifies gone astray in search of gold or secret of gold.hemeia was probably derived from the Greek word chemi which means black. There are three possible reasons for the use of this word: 1  The black soil of the Nile Valley gave the Greeks the name Chemi for Egypt where the chemical arts presumably originated.