All Acids and bases articles – Page 5
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ResourceChemical misconceptions II: Revising acids
Use concept mapping as a technique to give learners the best opportunity to study acids and alkalis. Providing a comprehensive self study guide to the topic.
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ResourceTitration screen experiment
Give students the opportunity to conduct their own titration experiment on a computer or tablet. This resource also includes a redox titration experiment.
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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