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How to make and replace broken pipettes in dropping bottles. Uses straight forward glass working techniques.
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Safety, legal and environmental (where appropriate) advice on handling animals, both vertebrates and invertebrates, in science practical work. 
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This activity dramatically shows the effect of a catalyst, cobalt(II) ions, on a reaction. Other characteristic properties of transition metals (eg, coloured ions, different oxidation state) can be ob.. more
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During this challenge-based activity visiting children learn to follow a written method and pipette dropwise without contaminating samples.
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The value of acceleration due to gravity, 'g', can be found by dropping a steel ball bearing and measuring the time it takes to fall, however the the very small time measurements involved make the res.. more
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Many post-16 chemistry curricula include testing for organic functional groups. Phenol crystals are tricky to work with, so provide students an opportunity to develop their manual handling and observa.. more
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The kinetics of a reaction can be investigated by determining how the rate of the reaction varies with the concentration of the reactants. The 'disappearing pink' method provides an alternative to iod.. more
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Many chemistry courses include the study of the properties of basic and acidic gases. These simple practical procedures allow for the production and testing of ammonia and chlorine.
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The structures of alcohols influence their chemical reactivity. This small-scale activity provides a quick introduction to the effect of oxidising agents on primary, secondary and tertiary alcohols. T.. more
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Halogenoalkanes contain polar covalent carbon-halogen bonds and undergo nucleophilic substitution reactions. This small-scale activity can be used to investigate the hydrolysis reaction of various hal.. more
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Showing results 1 to 10 of 77
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