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PP002 - Reaction of concentrated sulfuric(VI) acid with sugar (sucrose)
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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
words matched: acid-base
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PP001 - Reaction of concentrated sulfuric(VI) acid with hydrated copper(II) sulfate(VI)
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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 a dehydrating agent, removing the water of crystalli.. more
words matched: acid-base
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PP003 - Reaction of concentrated sulfuric(VI) acid with copper metal
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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
words matched: acid-base
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PP064 - Ammonia chemistry in a petri dish
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A microscale activity which demonstrates a number of chemical reaction with ammonia. Because this is microscale, quantities of chemicals used are tiny,  making disposal and clearing up very easy.
words matched: acid-base
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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
words matched: acid-base
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PP139 - The preparation of hydrated zinc sulfate crystals
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Preparing salts is a common activity at GCSE level, bringing together many useful skills. Making copper sulfate crystals (PP027), which involves making copper(II) sulfate from copper(II) oxide, is the.. more
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PP027 - Making copper sulfate crystals
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A quick and safe method for preparing hydrated copper sulfate crystals from copper(II) oxide and sulfuric acid. The activity involves important techniques such as heating with a water bath, filtration.. more
words matched: acid-base
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PP041 - The thiosulfate-acid reaction: rate and concentration
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Small scale 'disappearing cross' methods for investigating the effect of concentration on the rate of the sodium thiosulfate - acid reaction. Includes use of an alkaline 'stop-bath' to neutralise used.. more
words matched: acid-base
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HC038d - lactic and other organic acids
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Includes amino acids, gibberellic acid; ascorbic acid, indol 3-ylethanoic acid; indol 3-ylbutanoic acid, and hormone rooting powders.
words matched: acid-base
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Bulletin 106 - Autum 1999
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This edition includes a report on problems with using rosin-based solder, alternative chemicals for anaesthetising Drosophila, and the introduction of the, then, new PUWER and COSHH regulations.
words matched: acid-base
Showing results 1 to 10 of 611
1 234►