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Tip on how to replace cork and rubber on retort clamps
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A word file containing graphics which can be cut and pasted into the user's own documents.
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This procedure has often been used as an introduction to Y7 science. A beaker of water is placed on a tripod and gauze and the Bunsen adjusted to deliver a very hot flame. There have been instances of.. more
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Simple instructions to teach students how to use a burette correctly.
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This demonstration shows an important procedure in chemistry and industry, to separate a pure substance from a mixture of substances with widely differing boiling points. One important industrial exam.. more
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A pencil is sharpened at both ends and crocodile clips attached at each end. These are connected to a low voltage power supply. The voltage is increased and the wooden casing quickly starts to produce.. more
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This important procedure illustrates the conversion of saturated hydrocarbons, which are used for fuels, into the more chemically useful unsaturated hydrocarbons, used in making plastics.
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How to carry out this classic activity
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This small-scale version of the hydrogenation process can be done in a school laboratory. It can be carried out as an extension to the Practical Procedure, Preparation and properties of propene, to de.. more
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This small-scale analysis activity uses simple equipment and provides a useful introduction to the principles of titration. Quantities of the reagents are measured by mass (rather than volume) and the.. more
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