All Reactions and synthesis articles – Page 9
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News
Solar-powered desalination produces energy
Nanocomposite helps to produce drinking water and fuel
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Resource
Identifying six unknown solutions
Devise experiments to label six numbered solutions correctly using chemicals and apparatus in the laboratory.
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Resource
The best catalyst to decompose hydrogen peroxide
Develop learner’s ideas of catalysis with this open-ended problem using hydrogen peroxide.
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Resource
Identifying three unknown white solids
Devise experiments to label three white solids correctly by using chemicals and apparatus in the laboratory.
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Resource
What compound? Identify and analyse
Learners can devise their own testing system to identify the nature of a mystery compound.
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Identifying four unknown solutions
Allow learner’s the opportunity to devise their own testing protocols to identify chloride ions in four solutions.
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Resource
Finding the right ionic compound
Devise a procedure to identify four solids and then use this to carry out the identification.
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Find the chloride
Devise experiments to determine which of five solids is the chloride by using chemicals and apparatus in the laboratory.
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Cobalt complexes
Devise structures for cobalt complexes given, decide how to distinguish between the four complexes, and identify some properties that are the same for all four complexes.
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Resource
Which detergent is best?
Explain two observations related to the production of a jelly-like solid when two detergents were used in combination.
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Resource
Carbon and copper oxide
Create tests to identify carbon and copper oxide, using knowledge of acids, redox reactions, and metal oxides.
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Resource
Measuring CO2 from reactions
Use chemicals and apparatus, devise experiments and determine the amount of carbon dioxide that can be obtained from a mixture of two solids
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Resource
Reacting aluminium foil with acid
React aluminium foil and hydrochloric acid with a range of catalysts to discover which serves the reaction best.
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Resource
Detecting copper in black solids
Devise experiments to identify a black solid sample by using chemicals and apparatus in the laboratory.
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Resource
Identifying five unknown white solids
Learners are provided with five mystery white solids, and need to devise their own experiments to identify each.
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Experiment
Exploding bubbles of hydrogen and oxygen
Create a small explosion in this demonstration by electrolysing water to produce hydrogen and oxygen bubbles. Includes kit list, video and safety instructions.
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Experiment
Cracking hydrocarbons in liquid paraffin with a catalyst
Model the industrial process of cracking larger hydrocarbons to produce smaller alkanes in this demonstration or class practical. Includes kit list and safety instructions.
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Experiment
Iron and sulfur reaction
This demonstration or class experiment shows the exothermic reaction of iron and sulphur. Includes kit list and safety instructions.
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Experiment
Turning ‘red wine’ into ‘water’
Use acidified potassium permanganate – or ‘red wine’ – to make ‘water’, ‘milk’ and ‘lemonade’ in this engaging demonstration. Includes kit list and safety instructions.
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Experiment
Heating group 1 metals in air and in chlorine
Use this demonstration to illustrate the reactions of lithium, sodium and potassium in air and in chlorine. Includes kit list, video and safety instructions.