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Is sodium and potassium reacting violently with water a chemical or physical change?
Wiki User
∙ 7y ago
Their reaction with the water is a purely chemical change, however the chemical reaction is so intense and violent that it is usually followed by many dangerous physical changes (e.g. boiling of the water, flinging molten pieces of the unreacted metal at you, spattering drops of lye solution at you).
Wiki User
∙ 7y ago
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