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PP018 - Preparation of 2-chloro-2-methylpropane
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The synthesis and purification of a liquid organic compound is described. Practical techniques include, liquid-liquid separation, washing, drying and distillation. The % yield of the organic product c.. more
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GL107 - A Visking tubing model of the gut using invertase
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Provides detailed instructions for a simple practical which illustrates some of the working of the gut. Uses sucrose as the starting substrate and DNS reagent or glucose testing strips to identify the.. more
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TL002 - Cigarette burning
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A cigarette burning is an example of incomplete combustion of a complex mix of chemicals, wheremany of the products are toxic. This demonstration should reinforce the message that during smoking,even .. more
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PP004 - Reaction of concentrated sulfuric(VI) acid with halide salts
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Concentrated sulfuric(VI) acid reacts with solid samples of Group 1 halides (chloride, bromide or iodide) to form hydrogen halide gases and other products. The activity illustrates the behaviour of co.. more
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PP025 - Oxidation of alcohols to aldehydes using dichromate(VI)
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In this activity, a primary alcohol (ethanol) is oxidised to an aldehyde (ethanal) using an acidified dichromate(VI) solution. After collection by distillation, the organic product can be tested to co.. more
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GL253 - Suppliers who are associate members of CLEAPSS
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The individuals, companies and organisations listed in this document are associate members of CLEAPSS. They are permitted to display the CLEAPSS logo with the text “Associate Member of CLEAPSS” This m.. more
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PP130 - Making azo dyes
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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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GL086 - School visits to farms
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When taking a group of children to visit a farm, the principal concern will be maintaining effective hygiene.The farmer may think this unnecessary but he or she is constantly in contact with animals a.. more
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PP026 - oxidation of alcohols to carboxylic acids using dichromate(VI)
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In this activity, a primary alcohol (ethanol) is oxidised to a carboxylic acid (ethanoic acid) using an acidified dichromate(VI) solution. Important techniques are involved including heating under ref.. more
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PP081 - Fractional Distillation of Crude Oil
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Crude oil refinery is a foundation industry, providing fuel products for heating and transport, and raw materials for many further industries, including polymer and pharmaceutical manufacturing. Fract.. more
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Showing results 1 to 10 of 266
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