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the separation of a dye into the different colours that make up that dye, as a result of the dyes travelling at different speeds through paper.
single superphosphate fertiliser (SSP) is manufactured by adding sulfuric acid to phosphate...
the sum of the number of protons and neutrons (the nucleons) in the nucleus of an atom. It...
a group of very reactive chemical elements that readily lose their one valence electron to form...
coal that is heated in the absence of air to about 1 000 °C to remove volatile substances.
contains an unpaired electron on a carbon atom bonded to only one other carbon atom.