All Class experiment articles – Page 11
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Class experimentFermentation of glucose using yeast | 14–16 years
Use this class practical to investigate the fermentation of glucose by yeast and test for ethanol. Includes kit list, safety instructions, questions and answers
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Class experimentMaking magnesium carbonate: the formation of an insoluble salt in water
Students react magnesium sulfate and sodium carbonate to form magnesium carbonate, which is insoluble in water. Includes kit list and safety instructions.
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Class experimentRecovering water from copper(II) sulfate solution
Try this practical to introduce students to aqueous solutions by distilling water from copper(II) sulfate solution. Includes kit list and safety instructions.
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Class experimentEstimating the concentration of bleach
Compare the chlorine content and concentration of sodium hypochlorite in different bleaches in this class practical. Includes kit list and safety instructions.
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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 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.