All Acids and bases articles – Page 7
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ExperimentSulfuric acid as a dehydrating agent
Try these two demonstrations to illustrate the difference between dehydration and drying using sulfuric acid. Includes kit list and safety instructions.
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ExperimentThe properties of alcohols
Ethanol and propan-1-ol are tested for pH, reaction with sodium, combustion and oxidation with acidified dichromate(VI) solution. Includes kit list and safety instructions.
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ExperimentReacting copper(II) oxide with sulfuric acid
Illustrate the reaction of an insoluble metal oxide with a dilute acid to produce crystals of a soluble salt in this class practical. Includes kit list and safety instructions.
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ResourceProblem based practical activities
Discover how chemistry can relate to real world problems, so students can put their science knowledge into context.
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ResourceUniversal indicators
This activity develops understanding of universal indicators and single indicators. The students build up their understanding by mixing two indicators. They also develop an awareness that the observed colour may be due to a mixture of colours.
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ExperimentA thermometric titration
Use this class practical to practise locating end-points in titration by measuring temperature during the reaction. Includes kit list and safety instructions.
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ExperimentA microscale acid–base titration
Use microscale titration to complete an acid–base neutralisation with sodium hydroxide in this class practical. Includes kit list and safety instructions.
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ExperimentNeutralising an acidic solution
Use this simple practical to illustrate the pH and temperature changes as an acidic solution is neutralised. Includes kit list and safety instructions.
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ExperimentComparing light- and heavy-duty detergents
Try this set of experiments to compare the effects of light- and heavy-duty detergents with different pH values. Includes kit list and safety instructions.
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ExperimentPreparing a soluble salt by neutralisation
In this practical, students react alkaline ammonia with sulfuric acid to form the soluble salt ammonium sulfate. Includes kit list and safety instructions.
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ResourceReAct podcasts
Experienced teachers talk about some of the trickiest topics in 16+ chemistry courses and how to overcome them.
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ExperimentTesting the pH of different solutions
Use this practical to reinforce students’ understanding of pH by preparing and testing acidic and alkaline solutions. Includes kit list and safety instructions.
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Exhibition chemistryMagic beakers
Declan Fleming shows you how to capture your students’ imaginations with spectacular demonstrations
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ExperimentMaking a pH indicator using red cabbage
Try this class practical to make a pH indicator from red cabbage with your students. Includes kit list and safety instructions.
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ResourceSoil science
A collection of information sheets and presentations that look at the nature of soil particles and the nutrient requirements of plants.
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Exhibition chemistryDancing flames
An experiment with an eerie green flame which really provides a wow factor
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ResourceTitration and phosphates in the environment | Chemistry Olympiad worked answers
Have a go at a worked example of a Chemistry Olympiad question on the use of titration to determine phosphate levels. Includes video walkthrough and transcript.
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ResourceNBC Learn: Chemistry Now
This resource includes both videos and worksheets. The website makes links to everyday contexts in which chemistry is important. This material would provide enrichment to lessons using contemporary chemical examples.
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The MoleTrade secrets... Curdling of soya milk
Secrets of the trade: Jonathan Hare asks why soya milk tends to form hundreds of floating lumps when added to coffee
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ResourceFaces of Chemistry – Reckitt Benckiser: Gaviscon
Go behind the scenes of the Research and Development department that created Gaviscon.