All Acids and bases articles – Page 5
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ResourceVinegar as an acid: kitchen science podcasts
Introduce your students to acids and irreversible reactions with this short podcast.
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ExperimentAcid or alkali? Acidic or alkaline? A litmus paper test
Test a variety of substances to see if they are acidic or alkaline, using litmus paper as the indicator. Includes kit list and safety instructions.
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ResourceLimestone weathering
This activity is designed for students aged 11-14. It can be used to reinforce work on the reactions of carbonates with acids as well as the chemical weathering of rock.
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ResourceChemistry in your cupboard: Cillit Bang
Link the post-16 topics of group 1 elements, detergents (surfactants), solvents and acids to the topic of cleaning products.
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ResourceChemistry in your cupboard: Harpic
Link the post-16 topics of group bonding, acid rain, equilibria and Le Chateliers principle and strong and weak acids to the topic of removing limescale. Learn about a range of real life contexts for these chemical ideas through written material, and questions to encourage learning and test understanding.
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ResourceChemistry in your cupboard: Calgon
Link the post-16 topics of group 2 elements, acids and bases and polymerisation to the topic of hardness of water.
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ResourceChemistry in your cupboard: Finish
Link the topics of rates of reaction, group 1, 2 and 7 elements, proteins, fats and carbohydrates and acids and bases to the topic of dishwasher cleaning. Learn about a range of real life contexts for these chemical ideas through written material, and questions to encourage learning and test understanding.
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ResourceAcid-base solutions simulation
Explore the basics of pH with this simulation. Add a variety of common solutions and modify the concentrations to see the effect on pH.
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ResourcepH scale basics simulation
Explore the basics of pH using this simulation. Add a variety of common solutions, modify the concentration and see the effects on pH. Video: How to use the PhET pH scale basics simulation
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ResourcepH scale advanced simulation
Use this advanced pH simulator to view, modify, and visualise solutions with different ion ratios. Explore macroscopic, microscopic, and custom views.
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ResourceThe 2011 International Year of Chemistry Experiment
Worksheets and data from the 2011 mass participation experiment. Measure the acidity (pH) and salinity of your local water.
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ResourceOn the acid trail: discovering a 'weak' acid
Using titration and plot pH against volume to discover more about a weak, monoprotic acid.
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ResourceH⁺ ions in water
Allow learners the chance to develop their own testing methods to identify H+ ions in samples of water.
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ResourceDefining a ‘weak’ acid
Starting from its Ka (or pKa) value, learners calculate as much information as you need to show what is meant by ‘weak’ in weak acid.
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ExperimentAmmonia fountain demonstration
Try this experiment to make a miniature chemical fountain using only soluble ammonia and atmospheric pressure. Includes kit list and safety instructions.
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ResourceOrganising your understanding
Three activities that progressively stretch learners’ understanding of these key topics using Venn-like diagrams to organise information
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ResourceThermodynamics and equilibria of the Solvay process
A worksheet with questions on the thermodynamics and acid-base aspects of the Solvay process and the uses of the products. This resource is part of the ‘Sodium carbonate – a versatile material’ resources collection, which presents learning material based on the manufacture and uses of sodium carbonate made by the ...
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ResourceManufacturing sodium carbonate – an overview
An overview for teachers of sodium carbonate and sodium hydrogencarbonate manufacture (especially by the Solvay process) and of the uses of these products. This resource is part of the ‘Sodium carbonate – a versatile material’ resources collection, which presents learning material based on the manufacture and uses of sodium carbonate ...