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Instructions on how to make a combustion tube.
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This important demonstration proves the existence of ions as charged particles. Using microscale, it can be carried out safely and quickly in a well ventilated laboratory and projected onto a screen s.. more
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An alternative oscillating reaction to the Belousov-Zhabotinsky (BZ) and Briggs-Raucher (BR) reactions. 
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Silicon(IV) chloride, also known as silicon tetrachloride, is supplied in bottles where, over time, the top becomes dangerously stuck. This guide describes how to safely prepare the chemical in situ, .. more
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How to carry out this classic activity
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Alcohol is added to a series of beakers or crystallizing dishes containing metal salts and boric acid. The vapour is ignited and coloured flames are observed.
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The reaction between iron and sulfur, to produce iron sulfide, is cited in many textbooks and other resources as a good demonstration of the difference between mixtures and compounds. A key distinguis.. more
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Instructions, including risk assessed control measures, for safely demonstrating the rapid decomposition of hydrogen peroxide using manganese dioxide. The reaction produces considerable amounts of ste.. more
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Instructions on how to make an inoculation loop with glass handle or for insertion into a metal handle.
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Azo dyes provide an opportunity for students to carry out a simple multi-step organic synthesis. The methods provided here could be the basis for a student investigation into the effects of different .. more
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