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a chemical reaction where two molecules combine to form one single molecule. The elimination of a small molecule like water takes place during the reaction.
non-rechargeable cells, such as the zinc-carbon torch cell.
a layer of new metal is deposited on another metal by a chemical reaction in which electricity...
an acid-base reaction in which there is a transfer of protons.
a molecule that is so big that we can see it, e.g. a diamond, a salt crystal and a piece of...