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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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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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PP104 - Preparation and properties of propene
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The dehydration of an alcohol to an alkene is commonly studied in post-16 courses.  The chemistry of alkenes is also required at GCSE. In this small-scale method, which can be carried out on the open .. more
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L215 - Microscale organic chemistry
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Promotes the use of microscale (very small scale) practical activities by describing and explaining  equipment and techniques used. Illustrates these with instructions for several common organic chemi.. more
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TL007 - Making soap
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The traditional procedure to make soap is hazardous because it requires heating quite concentrated sodium hydroxide solution, typically about 5 M (CORROSIVE) with the oil or fat.This guide covers two .. more
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GL276 - Incubating, labelling and taping plates or cultures
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Describes best practice in labelling plates and cultures. Also describes how to tape the plates to avoid obstructing the observation of growth, and  the intricacies of incubation.
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Tech Tip - Cutting beetroot discs
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A quick method for cutting even-sized beetroot discs
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Tech Tip - Boyle's Law Apparatus
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Easy to make apparatus for investigating Boyle's Law.
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PP045 - Investigating voltage-current (VI) characteristics 1: The filament lamp
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The voltage-current (VI) characteristic of an electrical component is a curve which illustrates the relationship between these two quantities. This experiment is normally completed for a set of three .. more
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PP028 - Investigating gas laws 1 - pressure/volume (Boyle's law)
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A straightforward investigation using simple equipment which will allow students to confirm Boyle's law.
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