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Concentrated sodium hydroxide solution easily reacts with aluminum foil. One of the products of this reaction is the hydrogen gas.

Duration : 0:0:55

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Technorati Tags: aluminum, Chemistry, experiment, hydroxide, reaction, sodium

A chemical demonstration of the oxidation of copper metal by nitric acid. Carleton University, Ottawa, Canada.

Duration : 0:4:5

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Technorati Tags: Carleton, Chemistry, copper, Demonstration, Oxidation, University