Phlogiston theory

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The alchemist and physician J. J. Becher proposed the phlogiston theory

The phlogiston theory is a supersedeit scienteefic theory that postulatit that a fire-lik element cried phlogiston is conteened within combustible bouks an released during combustion. The name comes frae the Ancient Greek φλογιστόν phlogistón (burning up), frae φλόξ phlóx (flame). It wis first statit in 1667 bi Johann Joachim Becher, an then put thegither mair formally bi Georg Ernst Stahl. The theory attemptit tae explain burnin processes such as combustion an roustin, which are nou collectively kent as oxidation.