The Elements: Chlorine
Find out why chlorine is used in swimming pools. Chemistry - Periodic Table - Learning Points. Chlorine is a yellow-green gas. At high concentrations, chlorine gas is poisonous. At lower concentrations, chlorine is used in cleaning products. A Twig Context Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.
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