All Class experiment articles – Page 11
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Class experimentTesting for catalase enzymes
Try this class experiment to detect the presence of enzymes as they catalyse the decomposition of hydrogen peroxide. Includes kit list and safety instructions.
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Class 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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Class experimentRechargeable cells: the lead–acid accumulator
Use this practical to demonstrate the chemistry behind rechargeable batteries, using a lead–acid accumulator cell. Includes kit list and safety instructions.
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Class experimentIdentifying polymers by density
Investigate and identify a variety of polymers used in everyday materials by testing their density in this practical. Includes kit list and safety instructions.
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Class experimentExtracting metals with charcoal
Try this class practical to illustrate the idea of competition reactions between metals and carbon. Includes kit list and safety instructions.
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Class experimentMaking a photographic print using silver chloride
Try this practical or demonstration to create a photographic image of an object using light sensitive silver chloride. Includes kit list and safety instructions.
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Class experimentThermal decomposition of calcium carbonate
A class practical on the thermal decomposition of calcium carbonate. Includes kit list and safety instructions.
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Class experimentWhich substances conduct electricity?
In this class practical, students test the conductivity of covalent and ionic substances in solid and molten states. Includes kit list and safety instructions.
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Class experimentCracking hydrocarbons on a microscale
Use this microscale experiment to illustrate hydrocarbon cracking using paraffin, bromine water and aluminium oxide. Includes kit list and safety instructions.
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Class 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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Class 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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Class experimentHalogens in aqueous solution and their displacement reactions
Explore the chemical properties of halogens using this demonstration or class experiment. Includes kit list and safety instructions.
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Class experimentMicroscale oxidation of cyclohexanol by potassium dichromate(VI)
Use this quick class experiment to observe the oxidation of cyclohexanol to produce cyclohexanone. Includes kit list and safety instructions.
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Class experimentFinding the formula of copper(II) oxide
Use this class practical with your students to deduce the formula of copper(II) oxide from its reduction by methane. Includes kit list and safety instructions.
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Class experimentA test to distinguish between ethanol and methanol
A class practical to distinguish between methanol and ethanol using the iodoform reaction. Includes kit list, safety instructions, procedure and teaching notes.
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Class 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.
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Class experimentAn equilibrium using copper(II) and ammonia
Try this practical to explore an equilibrium involving copper(II) ions, with copper(II) sulfate, ammonia and sulfuric acid. Includes kit list and safety instructions.
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Class experimentCatalysis of a sodium thiosulfate and iron(III) nitrate reaction
Investigate the effect of transition metal catalysts on the reaction between iron(III) nitrate and sodium thiosulfate. Includes kit list and safety instructions.
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Class experimentTesting the hardness of water
Try this practical with your students to measure the hardness of water samples and investigate the effect of boiling. Includes kit list and safety instructions.
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Class experimentUnsaturation in fats and oils
Use this class practical to investigate the amounts of unsaturated fats and oils in different foods. Includes kit list and safety instructions.