Benzene diagram
BENZENE OVERVIEW DIAGRAM
Indigo dying industrial
Indigo dying industrial. Synthetic indigo is a substance created from benzene derivatives from petroleum, a fossil fuel that most of us realise is not in limitless supply. The benzene has to be treated chemicals, including hydrogen cyanide, to make it into indigo dye.
Contaminated soil
Contaminated soil is the presence of pollutants density above background levels that pose a potential ecological or health risk.
Benzene
Benzene is an organic chemical compound discovered in 1823 by Faraday.
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