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(organic chemistry) alkyne
Alkynes play an important role in organic chemistry.
(organic chemistry) alkene
Alkenes play an important role in organic chemistry.
(organic chemistry) alkane
Alkanes are basic components of organic chemistry.
hydrogen (chemical element) / hydrogen (molecular hydrogen)
Hydrogen is the most abundant element in the universe.
chemistry (branch of natural science)
He is an expert in chemistry.
(chemistry) organic solvent
Organic solvents play an important role in chemical reactions.
(chemistry) unsaturated
This compound is an unsaturated hydrocarbon.
(biochemistry) saturated fatty acid
Saturated fatty acids may increase the risk of heart disease.
calcium carbide
Calcium carbide is a major raw material for acetylene gas.
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