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Ethanol and carbon dioxide are obtained from glucose, C6H12O6, by the action of the enzyme zymase which occurs in yeast
(2011)
What is meant by the biochemical oxygen demand (BOD) of a water sample?
Distinguish between ionic bonding and polar covalent bonding
Roy Plunkett, pictured on the right, produced the polymer poly(tetrafluoroethene) (Teflon) accidentally in 1938 when he was researching refrigerants
Outline the chemical processes that give rise to the occurrence of ozone gas in the stratosphere.
