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A relatively simple activity involving two vividly coloured cobalt(II) complexes in solution can be used to illustrate the effects of changing conditions (concentration, temperature) on a reaction at ..
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A hot copper plate is placed into an atmosphere containing propanone and the reaction takes place on the surface of the copper foil, making it appear red hot. As the concentration of air in the flask ..
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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.Note:- These activities are designed to be..
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The blue bottle reaction is a simple demonstration of a redox reaction, with obvious colour changes. It can also be used as an introduction to reaction kinetics, including the role of temperature on r..
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Guidance on how to prepare Benedict’s qualitative solution. This is used to qualitatively test for reducing sugars e.g. glucose, via a colour change.
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A variety of simple demonstrations is performed using ‘dry ice’ (solid carbon dioxide).Note:- These activities are designed to be carried out individually as part of a lesson conducted in a secondary ..
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A set of risk assessed instructions for safely carrying out this attention-grabbing demonstration.Note:- These activities are designed to be carried out individually as part of a lesson conducted in ..
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Sodium silicate solution (water glass) will precipitate coloured metal silicates that appear to grow like underwater plants.
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Straight forward guidance on the safe use of EHT power supplies, including identifying the various coloured connectors found on common school power supplies
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This guide outlines how to make and use filters in order to view specimens without the use of chemical stains
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Showing results 1 to 10 of 334