The production of ethylene and its reaction with bromine water

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

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Trimethylamine N(CH₃)₃

A tertiary amine with a characteristic unpleasant odour, occurring in spoiled food.

Peptide bond

Amino acids that make up proteins are bound by peptide bonds.

Cis-pent-2-ene (C₅H₁₀)

One of the isomers of pentene.

Acetone (C₃H₆O)

The simplest representative of ketones.

Alanine (C₃H₇NO₂)

A non-polar amino acid. L and D molecules are mirror images of each other.

Styrene (vinyl benzene) (C₈H₈)

A colourless liquid with an odour similar to benzene. The monomer of polystyrene.

Dehydration of sugar with sulphuric acid

In this experiment we make beet sugar, that is saccharose, react with sulphuric acid.

Histidine

One of the 20 amino acids that make up proteins.

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