Without images this is an impossible question.
Think it would be distillation
Structure of an Amino Acid. Amino acids are the monomers that make up proteins. Each amino acid has the same fundamental structure , which consists of a central carbon atom, also known as the alpha (α) carbon, bonded to an amino group (NH 2), a carboxyl group (COOH), and to a hydrogen atom.
Jenny puts the ph paper and lines it up PH SCALE to find how strong the solution.
