All Class experiment articles – Page 5
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Class experimentOxygen and methylene blue
Reacting hydrogen peroxide, and potassium manganate together will produce detectable oxygen so by using methylene blue solution, and a gas generating apparatus students can test for the presence of oxygen in this practical. Includes kit list and safety instruction.
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Class experimentSynthesis of aspirin on a microscale
Use this class practical to produce aspirin in a microscale esterification reaction using phosphoric acid as a catalyst. Includes kit list and safety instructions.
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Class experimentEnergy changes in neutralisation
Study energy changes in two chemical reactions using thermometer strips to measure temperature in this experiment. Includes kit list and safety instructions.
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Class experimentFormation of TCP (2,4,6-trichlorohydroxybenzene)
Delve into preparing TCP by reacting hydroxybenzene (phenol) with chlorine gas, and create this distinctive smelling compound.
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Class experimentInvestigating redox reactions on a microscale
Carry out two redox reactions and observe and interpret the results in this microscale class practical. Includes kit list and safety instructions.
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Class experimentThe microscale synthesis of indigo dye
Carry out a microscale organic synthesis, the result of which will leave students with indigo dye. Includes kit list and safety instructions.
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Class experimentThe treatment of oil spills
Tackle the real-life environment problem of oil spills in your classroom, by creating and then treating a micro version of an oil event. Includes kit list and safety instructions.
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Class experimentSome reactions of carbon dioxide
Create carbon dioxide from marble chips and acid, then test for its reaction with barium hydroxide by observing the carbonate precipitate. Includes kit list and safety instructions.
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Class experimentThe microscale synthesis of azo dyes
Synthesise an azo dye, and use it to change the colour of cotton, with this class experiment. Includes kit list and safety instructions.
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Class experimentSulfate and carbonate solubility of Groups 1 and 2
Try this microscale practical to explore the properties of elements in Groups 1 and 2 as they form various precipitates. Includes kit list and safety instructions.
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Class experimentExploring the properties of the carvones
Test the smell of each enantiomer of carvone and detect the differences
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Class experimentMeasuring the amount of vitamin C in fruit juices
Explore ascorbic acid in fruit juices through titration in this experiment, with specimen results and calculations, stock solutions, and detailed notes included.
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Class experimentDisplacement reactions of metals on a microscale
Examine the reactions between various metals and metal salt solutions in this microscale class practical. Includes kit list and safety instructions.
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Class experimentElectrolysis using a microscale Hoffman apparatus
Investigate the electrolysis of sodium sulfate solution using a microscale Hoffman apparatus in this class practical. Includes kit list and safety instructions.
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Class experimentThe chemistry of silver
Discover the properties of silver compounds with redox reactions, complex formation and colour/state changes. Includes kit list and safety instructions.
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Class experimentAnalysis of aspirin tablets on a microscale
Try this microscale class practical to analyse aspirin tablets and find out how much salicylic acid is present. Includes kit list and safety instructions.
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Class experimentThe temperature changes induced by evaporation
Explore the rate of evaporation for a trio of liquids, using just a temperature strip, and our worksheet. Includes kit list and safety instructions.
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Class experimentProperties of stereoisomers
By soaking cotton wool in two limonene enantiomers, and adding a stereoisomer, students can explore the differences between each chemical and discuss how they each might react in different conditions. Includes kit list and safety instructions.
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Class experimentUsing a microscale conductivity meter
Explore electrical conductivity with this practical that allows students to test different materials for how well a current will pass through them. Includes kit list and safety instructions.
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Class experimentThe effect of temperature on solubility
Hot or cold, which water is better for soluble substances? Explore your finding from this practical into the effect of temperature on solubility. Includes kit list and safety instructions.