All Acids and bases articles – Page 6
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ResourceChemistry Vignettes: Chemistry of the Elements
A series of short screencasts to introduce the chemistry of selected elements.
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ResourceChemistry Vignettes: Acid and Bases
A series of short screencast videos to introduce acids and bases
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ExperimentIndicators and dry ice demonstration
Create bubbles, ‘fog’ and a colour change adding dry ice to alkaline ammonia or sodium hydroxide solution in this demonstration. Includes kit list and safety instructions.
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ExperimentThe reaction of carbon dioxide with water
Form a weak acid from the reaction of carbon dioxide with water in this class practical. Includes kit list and safety instructions.
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ExperimentProperties of alkali metal compounds
Try this class practical to explore the physical and chemical properties of various alkali metal compounds. Includes kit list and safety instructions.
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ExperimentEquilibria involving carbon dioxide in aqueous solution
Use this demonstration or class practical to illustrate changes to equilibria in carbonated soda water. Includes kit list and safety instructions.
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ResourceInvisible inks
In this experiment, students test a variety of substances to see if they can be used as an invisible ink.
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ExperimentWhat makes a substance acidic?
Try these experiments to investigate acidity and learn how the acidic properties of some substances require water. Includes kit list and safety instructions.
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Exhibition chemistryAlkali metal roulette
Declan Fleming takes the reactions of alkali metals in water a step further
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ExperimentInvestigating the role of water in acidity
Try this practical or demonstration to explore the importance of water for acidity using hydrogen chloride and methylbenzene. Includes kit list and safety instructions.
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ExperimentUniversal indicator ‘rainbow’
Try this demonstration to create a rainbow effect using universal indicator, hydrochloric acid and sodium hydroxide. Includes kit list and safety instructions.
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ExperimentThe properties of hydrogen chloride
Use this demonstration and practical to investigate properties of hydrogen chloride, such as its solubility in water. Includes kit list and safety instructions.
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ExperimentThe rate of reaction of magnesium with hydrochloric acid
A class practical on reacting magnesium with hydrochloric acid and how to measure the rate of reaction. Includes kit list and safety instructions.
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ResourceChemistry stinks - olfactory indicators experiment
Chemicals that change colour with pH are frequently used as indictors for acid-base titrations. The aim of this experiment it to determine the concentration of an unknown base using garlic powder as an olfactory indicator. Chemistry stinks – olfactory indicators experiment Class practical Chemicals that change colour with pH ...
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ExperimentThe acidic reactions of ethanoic acid
Explore the properties of ethanoic acid as a weak organic acid in this class experiment. Includes kit list and safety instructions.
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ExperimentReactions of metals with acids producing salts
Explore the production of hydrogen gas and salts when metals react with acids in this class experiment. Includes kit list and safety instructions.
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ExperimentTitrating sodium hydroxide with hydrochloric acid
Use this class practical to explore titration, producing the salt sodium chloride with sodium hydroxide and hydrochloric acid. Includes kit list and safety instructions.
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OpinionFive ideas in chemical education that must die
Eric Scerri explores outdated chemical concepts
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OpinionFive ideas in chemical education that must die: pH 7 is neutral
Eric Scerri takes on the idea that pH 7 and neutral always coincide, and explains why it doesn't necessarily tell the whole story
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ExperimentTesting the pH of oxides
Use this class practical to investigate the pH of different metal and non-metal oxides using a universal indicator. Includes kit list and safety instructions.