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Risk assessment information for barium compounds including barium oxide, hydrated barium hydroxide, barium sulfate(VI) and barium diphenylamine sulfonate.
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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.. more
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Sulfuric(VI) acid does not exhibit the usual properties of an acid unless it is dissolved in water. In this activity, the concentrated acid acts as an oxidising agent. Copper is oxidised to copper(II).. more
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Concentrated sulfuric(VI) acid acts as both a dehydrating and oxidising agent with organic material such as carbohydrates. The carbon produced by dehydration is then oxidised to carbon dioxide and car.. more
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Guidance on the preparation of a mixed indicator that can be used for colourful investigations of the rusting process.
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Guidance on the preparation of methylene blue solutions for different applications. Methylene blue is used as an indicator for redox reactions e.g. respiration, and stains for cells. 
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Electroplating is an important industrial application of electrolysis and is studied in many pre-16 and post-16 courses. Electroplating processes often involve coating a metal object with another meta.. more
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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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When the iron/sulfur mixture is heated, the sulfur melts and reacts with the iron exothermically to form iron(II) sulfide. This is an important demonstration that shows that the properties of a compou.. more
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Chemiluminescent reactions provide an exciting visual hook for students when studying reaction energetics and redox chemistry. The production of light instead of heat in these exothermic reactions pro.. more
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Showing results 1 to 10 of 43
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