Devise experiments to label some bottles correctly, using two different approaches.
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Creative Problem Solving in Chemistry - Four solutions
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- 4.4 Chemical changes
- 4.4.3 Electrolysis
- 4.4.3.4 Electrolysis of aqueous solutions
- At the negative electrode (cathode), hydrogen is produced if the metal is more reactive than hydrogen. At the positive electrode (anode), oxygen is produced unless the solution contains halide ions when the halogen is produced.
- Students should be able to predict the products of the electrolysis of aqueous solutions containing a single ionic compound.
- 4.4.3.4 Electrolysis of aqueous solutions
- 4.4.2 Reaction of acids
- 4.4.3 Electrolysis
- 4.8 Chemical analysis
- AQA Combined science: Trilogy
- 5.4 Chemical changes
- 5.4.2 Reaction of acids
- 5.4.3 Electrolysis
- 5.5.3.4 Electrolysis of aqueous solutions
- At the negative electrode (cathode), hydrogen is produced if the metal is more reactive than hydrogen. At the positive electrode (anode), oxygen is produced unless the solution contains halide ions when the halogen is produced.
- Students should be able to predict the products of the electrolysis of aqueous solutions containing a single ionic compound.
- 5.5.3.4 Electrolysis of aqueous solutions
- 5.4 Chemical changes
- Edexcel Chemistry
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- Topic 9 - Separate chemistry 2
- Qualitative analysis: test for ions
- 9.1C Explain why the test for any ion must be unique
- 9.2Ca Describe flame tests to identify the following ions in solids: lithium ion, Li⁺ (red)
- 9.2Cb sodium ion, Na⁺ (yellow)
- 9.2Ce copper ion, Cu²⁺ (blue-green)
- 9.5Cc chloride ion, Cl⁻, bromide ion, Br⁻, iodide ion, I⁻, using dilute nitric acid and silver nitrate solution
- Qualitative analysis: test for ions
- Apparatus and Techniques
- Topic 3 - Chemical changes
- Edexcel Combined science
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- C6 Making useful chemicals
- C8 Practical skills
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- C3.3 What are electrolytes and what happens during electrolysis?
- C3.3.7 describe competing reactions in the electrolysis of aqueous solutions of ionic compounds in terms of the different species present, including the formation of oxygen, chlorine and the discharge of metals or hydrogen linked to their relative reacti…
- C3.3.8 describe the technique of electrolysis of an aqueous chloride solution of a salt
- C3.3 What are electrolytes and what happens during electrolysis?
- C5 Chemical analysis
- C5.2 How do chemists find the composition of unknown samples?
- C5.2.2 interpret flame tests to identify metal ions, including the ions of lithium, sodium, potassium, calcium and copper
- C5.2.3 describe the technique of using flame tests to identify metal ions
- C5.2.4 describe tests to identify aqueous cations and aqueous anions and identify species from test results including: tests and expected results for metal ions in solution by precipitation reactions using dilute sodium hydroxide (calcium, copper, iron(I…
- C5.2 How do chemists find the composition of unknown samples?
- OCR Combined science B: 21st Century
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- C6 Making useful chemicals
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- C3.3 What are electrolytes and what happens during electrolysis?
- C3.3.7 describe competing reactions in the electrolysis of aqueous solutions of ionic compounds in terms of the different species present, including the formation of oxygen, chlorine and the discharge of metals or hydrogen linked to their relative reacti…
- C3.3.8 describe the technique of electrolysis of an aqueous chloride solution of a salt
- C3.3 What are electrolytes and what happens during electrolysis?
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