Questions: Chemical changes: reactivity, acids and electrolysis
New numbers every time.
The reactivity series and extracting metals
- Reactivity order from experiment dataChoose, 1 mark, Plus
- Reactivity order from displacement resultsChoose, 1 mark, Plus
- Will one metal displace anotherChoose, 1 mark, Plus
- Products of a metal displacementChoose, 1 mark, Plus
- Metals with water and with acidChoose, 1 mark, Plus
- Oxidised or reduced (oxygen)Choose, 1 mark, Plus
- How a metal is extractedChoose, 1 mark, Plus
- Balancing an extraction equationComplete, 2 marks, Plus
- Mass of metal in an oxideCalculate, 3 marks, Plus
- Reactivity from temperature risesAnalyse, 4 marks, Plus
- Will it displace? Predict and explainPredict, 3 marks, Plus
- Explaining how a metal is extractedExplain, 4 marks, Plus
Redox with electrons, and metals with acids
- Oxidised or reduced (electrons)Choose, 2 marks, Plus, Higher tier
- Ionic equation for a displacementChoose, 1 mark, Plus, Higher tier
- Spotting the spectator ionChoose, 1 mark, Plus, Higher tier
- Metal and acid: products and the gas testChoose, 2 marks, Plus
- Balancing a metal and acid equationComplete, 2 marks, Plus
- Ionic equation for a displacementWrite, 5 marks, Plus, Higher tier
Acids, alkalis and making salts
- Naming the salt from an acid and a baseChoose, 1 mark, Plus
- Choosing reactants to make a saltChoose, 1 mark, Plus
- Formula of a salt from its ionsChoose, 1 mark, Plus
- Products of acid and base reactionsChoose, 1 mark, Plus
- Balancing a neutralisation equationComplete, 2 marks, Plus
- Reading the pH scaleChoose, 2 marks, Plus
- The ionic equation for neutralisationChoose, 1 mark, Plus
- Neutralisation volumes in proportionCalculate, 4 marks, Plus
- Required practical: steps for making a saltChoose, 1 mark, Plus
- Required practical: why each step is doneExplain, 1 mark, Plus
- Required practical: mean mass of crystalsDetermine, 3 marks, Plus
- Making pure, dry copper sulfate crystals (6 marks)Describe, 6 marks, Plus
- Plan: making pure, dry crystals of a soluble salt (6 marks)Describe, 6 marks, Plus
Strong and weak acids, and titrations
- Strong and weak acidsChoose, 2 marks, Plus, Higher tier
- Concentrated or dilute, strong or weakChoose, 1 mark, Plus, Higher tier
- pH and hydrogen ion concentrationCalculate, 2 marks, Plus, Higher tier
- New pH after a change in concentrationCalculate, 2 marks, Plus, Higher tier
- Required practical: titration methodChoose, 1 mark, Plus, Chemistry only
- Required practical: titres and the mean titreCalculate, 3 marks, Plus, Chemistry only
- Concentration from a titrationCalculate, 4 marks, Plus, Chemistry only, Higher tier
- Predicting a titreCalculate, 3 marks, Plus, Chemistry only, Higher tier
- mol/dm³ and g/dm³Calculate, 3 marks, Plus, Chemistry only, Higher tier
- From titres to a concentrationCalculate, 5 marks, Plus, Higher tier, Chemistry only
- Sulfuric acid concentration in g/dm³Calculate, 5 marks, Plus, Higher tier, Chemistry only
- Predicting a titreCalculate, 4 marks, Plus, Higher tier, Chemistry only
Electrolysis of melts and solutions
- Products of electrolysing a molten compoundChoose, 2 marks, Plus
- Products of electrolysing a solutionChoose, 2 marks, Plus
- Which solution gives these productsChoose, 1 mark, Plus
- Ions, electrodes and electrolytesChoose, 1 mark, Plus
- What is left in the solutionChoose, 1 mark, Plus
- Products from a solution, explainedPredict, 4 marks, Plus
- A melt against a solution (6 marks)Compare, 6 marks, Plus
Aluminium, half equations and the electrolysis practical
- Extracting aluminiumChoose, 1 mark, Plus
- Aluminium from bauxiteCalculate, 5 marks, Plus
- Half equations at the electrodesChoose, 1 mark, Plus, Higher tier
- Mass of product from electrolysisCalculate, 3 marks, Plus, Higher tier
- Required practical: testing the gases from electrolysisChoose, 1 mark, Plus
- Required practical: variables in electrolysisChoose, 1 mark, Plus
- Required practical: copper electrodes and currentDetermine, 3 marks, Plus
- Electrolysis of brine or aluminium oxide (6 marks)Explain, 6 marks, Plus
- Plan: electrolysing a solution and testing the products (6 marks)Describe, 6 marks, Plus
- The half equation at the cathodeWrite, 4 marks, Plus, Higher tier
- The half equation at the anodeWrite, 4 marks, Plus, Higher tier
- Electrons link the two electrodesCalculate, 4 marks, Plus, Higher tier
Core practical: the pH change in neutralisation
- pH change practical: the variablesIdentify, 3 marks, Plus
- pH change practical: reading the resultsAnalyse, 3 marks, Plus
- pH change practical: reading the pH curveDetermine, 3 marks, Plus
- Mass of base to neutralise the acidCalculate, 4 marks, Plus, Higher tier
- pH change practical: the chemistry behind itChoose, 1 mark, Plus
- pH change practical: hazards and precautionsChoose, 1 mark, Plus
- Plan the pH change practical (6 marks)Describe, 6 marks, Plus
AQA, Pearson Edexcel and OCR are registered trade marks of their owners. Brainlag Learn is independent: it is not affiliated with or endorsed by any exam board, and every question on it is original.