A sulfur-containing amino acid.

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The production of ethylene and its reaction with bromine water

Ethylene, produced by the heating of polyethylene, changes the colour of bromine water.


An amino acid containing sulfur, one of the amino acids that make up proteins.

Beta-D-glucose (C₆H₁₂O₆)

One of the stereoisomers of D-glucose.

3-methyl-1-butene (C₅H₁₀)

One of the isomers of pentenes.

Fat molecule

Three saturated fatty acid molecules linked to a glycerol molecule.


Crystalline allotrope of elemental carbon, the hardest known natural substance.

Acetamide (ethanamide) (C₂H₅NO)

A white, odorless crystalline compound.

Dimethylamine (NH(CH₃)₂)

A colorless gas with a pungent odor. It is widely used in industry.

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